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EXTRUTEX ECK-100 Co-Kneader Extruder
Description
EXTRUTEX ECK-100 Co-Kneader Extruder
EXTRUTEX ECK-100 Co-Kneader Extruder – Professional Low-Shear Compounding System
The EXTRUTEX ECK-100 Co-Kneader Extruder is a high-capacity continuous compounding system engineered for manufacturers who require maximum production efficiency, exceptional mixing quality, low-shear processing and precise temperature control for demanding polymer formulations.
With a 100 mm screw diameter, 110 kW drive power, a maximum screw speed of 500 rpm and an output capacity of approximately 400–500 kg/h, the ECK-100 is designed for commercial-scale production of color masterbatch, engineering plastics, high-filler compounds, polyester compounds and specialty polymer formulations.
Unlike conventional extrusion systems that depend primarily on aggressive mechanical shear, the ECK-100 combines continuous screw rotation with reciprocating axial movement, creating an advanced kneading process that delivers outstanding material homogeneity while helping minimize thermal degradation and unnecessary mechanical stress.
The ECK-100 represents the ideal balance between high production capacity and premium compound quality, making it suitable for manufacturers producing consistent, high-value polymer compounds on an industrial scale.
ECK-100 Technical Specifications
Parameter | ECK-100 |
|---|---|
Model | ECK-100 |
Screw Diameter | 100 mm |
L/D Ratio | 10–25 |
Reciprocating Stroke | 15 mm |
Drive Power | 110 kW |
Maximum Screw Speed | 500 rpm |
Output Capacity | 400–500 kg/h |
The ECK-100 can be customized according to polymer type, formulation complexity, filler loading, additive package and downstream pelletizing requirements.
Advanced Co-Kneader Technology for Large-Scale Production
The ECK-100 utilizes the proven Co-Kneader principle, which differs significantly from conventional single-screw and co-rotating twin-screw extrusion systems.
Instead of relying solely on continuous screw rotation, the ECK-100 introduces an additional reciprocating axial movement that continuously changes the position of the screw relative to the stationary kneading pins inside the barrel.
This unique movement produces repeated folding, stretching and redistribution of the polymer throughout the processing chamber.
During operation, the material is continuously:
Divided
Folded
Recombined
Redistributed
Homogenized
Transported forward
This creates a highly efficient mixing environment while maintaining controlled mechanical and thermal conditions.
For industrial manufacturers processing hundreds of kilograms per hour, this combination of high throughput and controlled processing becomes a significant production advantage.
Rotating and Reciprocating Screw Technology
The specially engineered screw is the core component of the ECK-100.
During production, the screw performs two simultaneous movements.
The first is its continuous rotational movement, which transports material through the machine while generating the primary kneading action.
The second is the reciprocating axial movement, which repeatedly changes the interaction between the screw flights and the stationary kneading pins.
This creates additional transverse material movement that improves mixing efficiency throughout the entire processing chamber.
Instead of allowing material to follow a simple forward path, the ECK-100 continuously renews the material around the kneading elements, producing remarkably uniform compounds while maintaining controlled processing temperatures.
The 15 mm reciprocating stroke provides even greater material redistribution than smaller models, making the ECK-100 particularly effective for higher-capacity industrial production.
A Different Approach to Polymer Compounding
The ECK-100 is based on a different compounding philosophy from traditional extrusion technology.
A conventional extruder primarily transports material forward through a rotating screw. The ECK Co-Kneader introduces another dimension to the process: the screw also moves backwards and forwards along its axis.
Special kneading flights on the screw interact with stationary kneading pins installed inside the barrel. During operation, the moving screw flights repeatedly pass the fixed pins, creating a controlled combination of longitudinal and transverse material movement.
The material is continuously:
- Divided
- Folded
- Stretched
- Redistributed
- Recombined
- Homogenized
This creates highly efficient mixing without requiring extremely aggressive mechanical shear.
Rotating and Reciprocating Screw Technology
The heart of the ECK-100 is its specially engineered reciprocating screw.
During operation, the screw performs two simultaneous movements:
Rotational movement provides continuous material transport and kneading.
Reciprocating movement changes the position of the kneading flights relative to the stationary pins and creates additional transverse movement of the polymer.
This combination significantly improves the mixing action inside the processing chamber.
Instead of allowing material to travel through a simple forward-flow path, the ECK-100 continuously renews the material around the kneading elements.
This helps produce a highly uniform compound while maintaining controlled processing conditions.
Three-Row Stationary Kneading Pin System
The ECK-100 incorporates a specially designed stationary kneading pin system that works together with the moving screw flights to create highly efficient mixing.
As the screw rotates and reciprocates, the material repeatedly encounters the kneading pins, producing both distributive and dispersive mixing.
The system helps achieve:
Excellent pigment dispersion
Uniform filler distribution
Effective additive incorporation
Improved polymer homogenization
Stable melt quality
Reduced stagnant material zones
Consistent production quality
The geometry of both the screw and kneading pins can be optimized according to the polymer formulation and production requirements.
Low-Shear Processing for Heat-Sensitive Materials
One of the defining characteristics of the ECK-100 is its ability to provide efficient mixing while maintaining relatively low mechanical shear.
Many polymers, pigments and specialty additives are sensitive to excessive heat and mechanical stress.
Instead of exposing the formulation to unnecessarily aggressive processing conditions, the ECK-100 gradually softens and homogenizes the material through controlled kneading.
This processing principle can help provide:
Lower melt temperatures
Reduced thermal degradation
Improved viscosity retention
Better color stability
Improved additive performance
More consistent finished products
For manufacturers producing premium compounds where material quality is critical, this controlled processing environment can offer significant long-term production benefits.
Superior Dispersive and Distributive Mixing
The ECK-100 combines highly effective dispersive and distributive mixing throughout its processing chamber.
Dispersive mixing helps separate agglomerated pigments and filler particles.
Distributive mixing ensures these materials are evenly distributed throughout the polymer matrix.
The combination produces compounds with:
Uniform color
Consistent filler concentration
Stable additive distribution
Excellent homogeneity
Repeatable production quality
Improved downstream processing performance
This level of mixing quality is particularly valuable for manufacturers producing high-value masterbatch and engineering compounds.
High Degree of Self-Wiping
The reciprocating movement of the screw contributes to a high degree of self-wiping inside the processing chamber.
This helps reduce material buildup and stagnant zones that can affect product quality.
The self-wiping action contributes to:
Easier cleaning
Faster product changeovers
Reduced contamination
Improved production stability
Longer continuous operating periods
Simplified maintenance
For manufacturers producing multiple colors or formulations, reduced cleaning time can significantly improve production efficiency.
Excellent Dispersive and Distributive Mixing
The ECK-100 combines effective dispersive mixing and distributive mixing.
Dispersive mixing helps break down agglomerations of pigments, fillers and additives.
Distributive mixing ensures that these components are distributed consistently throughout the polymer matrix.
This combination is particularly valuable in masterbatch production and high-performance polymer compounds where even distribution of a relatively small amount of additive can have a significant effect on the final product.
The ECK-100 can therefore provide highly homogeneous compounds with:
- Uniform color
- Consistent filler concentration
- Stable additive distribution
- Consistent viscosity
- Improved material quality
- Repeatable production results
High Degree of Self-Wiping
The ECK-100 is particularly suitable for formulations requiring high concentrations of fillers and functional additives.
Typical materials include:
Calcium carbonate
Talc
Barium sulfate
Silica
Mica
Aluminum hydroxide
Magnesium hydroxide
Carbon black
Wood flour
Specialty mineral fillers
The controlled kneading action helps distribute these materials throughout the polymer matrix while maintaining excellent processing stability.
With a production capacity of 400–500 kg/h, the ECK-100 is well suited for commercial production of high-filler compounds.
Efficient Liquid Additive Incorporation
The ECK-100 can also process formulations containing liquid components.
Examples include:
Plasticizers
Processing oils
Waxes
Coupling agents
Liquid stabilizers
Processing aids
Specialty additives
The repeated folding and redistribution of material inside the kneading chamber helps ensure efficient incorporation of liquid ingredients throughout the polymer matrix.
This makes the ECK-100 a versatile solution for complex formulations containing both solid and liquid components.
High Filler Loading Capability
The ECK-100 is suitable for formulations containing significant quantities of mineral and functional fillers.
Depending on the polymer and formulation, potential fillers include:
- Calcium carbonate
- Talc
- Barium sulfate
- Silica
- Mica
- Aluminum hydroxide
- Magnesium hydroxide
- Carbon black
- Wood flour
- Other mineral and functional fillers
The Co-Kneader processing mechanism provides effective filler incorporation while maintaining controlled processing conditions.
The larger 100 mm screw diameter and 400-500 kg/h output range make the ECK-70 suitable for industrial production where higher throughput is required.
High Degree of Self-Wiping
The reciprocating movement of the screw contributes to a high degree of self-wiping inside the processing chamber.
The continuous interaction between the screw flights and stationary kneading pins helps minimize stagnant material zones and unwanted accumulation.
This is particularly useful when processing different formulations or colors on the same machine.
A cleaner processing chamber can help with:
- Faster product changeover
- Reduced contamination
- Easier cleaning
- More stable processing
- Reduced material residence
- Easier maintenance
For masterbatch manufacturers producing multiple colors and formulations, this feature can be especially valuable.
Efficient Liquid Component Incorporation
The ECK-100 can also be configured for formulations containing liquid additives.
Examples include:
- Plasticizers
- Processing oils
- Waxes
- Liquid coupling agents
- Processing aids
- Liquid stabilizers
- Specialty additives
The continuous folding and redistribution of material inside the kneading chamber helps incorporate liquid components into the polymer matrix.
This makes the ECK-100 a flexible platform for formulations that combine polymers, powders, fillers and liquid additives.
Precise Temperature Control
Temperature management is one of the most important aspects of industrial polymer compounding.
The ECK-100 can be equipped with water cooling for both the barrel and screw, allowing processing temperatures to be controlled according to the formulation.
The combination of low-shear processing and efficient cooling helps reduce unnecessary heat generation while maintaining stable processing conditions.
Benefits include:
Stable melt temperature
Reduced thermal degradation
Better viscosity stability
Improved color consistency
Reliable additive performance
Consistent production quality
The principle remains simple: achieve excellent mixing while minimizing unnecessary heat.
Stable Continuous Industrial Production
The ECK-100 is designed for demanding continuous industrial operation.
The processing system can be integrated with suitable downstream equipment, including:
Melt filtration systems
Strand dies
Water cooling tanks
Strand cooling systems
Pelletizing systems
Automatic conveying
Material collection
Packaging systems
This allows EXTRUTEX to provide the ECK-100 as part of a complete industrial compounding line rather than simply supplying the extruder itself.
Easy Cleaning and Maintenance
The ECK-100 is designed with maintenance efficiency in mind.
The barrel can be opened axially, providing direct access to the processing chamber.
Operators can easily perform:
Screw inspection
Kneading pin inspection
Barrel cleaning
Product changeovers
Wear inspection
Component replacement
Routine maintenance
Easy access reduces downtime and improves long-term production efficiency.
Modular Processing Components
The ECK-100 features replaceable processing components that can be serviced according to operating conditions.
Depending on the application, components can be optimized for:
Polymer type
Filler concentration
Additive system
Required dispersion
Production capacity
Processing temperature
Final product requirements
This modular design provides manufacturers with greater flexibility for changing production requirements.
Modular Screw, Barrel and Pin Maintenance
The ECK-100 is designed with replaceable processing components.
Depending on the machine configuration and application, individual components such as the screw, barrel sections and kneading pins can be serviced or replaced.
This modular approach helps reduce maintenance costs and allows the machine to be maintained according to actual wear conditions.
It also provides greater flexibility when the machine is used for different formulations.
Applications of the ECK-100
The compact ECK-100 is suitable for a broad range of polymer compounding applications.
Color Masterbatch
The ECK-100 is particularly suitable for color masterbatch applications requiring excellent pigment dispersion and consistent color quality.
Its low-shear processing characteristics can help reduce unnecessary thermal stress while maintaining effective pigment distribution.
Polyester Masterbatch
Polyester masterbatch is one of the important application areas for Co-Kneader technology.
The ECK-100 can be used for development, pilot production and specialty polyester masterbatch formulations where viscosity, dispersion and temperature control are important.
Engineering Plastics
Depending on formulation and processing requirements, the ECK-70 can be applied to engineering polymers such as:
- PA
- PET
- PBT
- PC
- ABS
- ASA
- PPO
- Other specialty polymers
PVC Compounds
The ECK-100 can also be considered for selected PVC formulations where controlled temperature and gentle processing are important.
Flame-Retardant Compounds
Flame-retardant formulations often contain significant amounts of additives and mineral components.
The ECK-100 provides effective incorporation and distribution while maintaining controlled processing conditions.
High-Filler Compounds
The machine is suitable for development and production of high-filler formulations where filler loading and dispersion are important.
Elastomers and Specialty Materials
The ECK-100 can also be configured for selected elastomer, thermoplastic elastomer and specialty polymer applications.
Modular Processing Components
The ECK-100 can be configured with replaceable processing components according to the application.
Screw elements, kneading components and other wear parts can be serviced or replaced according to operating conditions.
This modular approach provides flexibility for manufacturers working with different polymers and formulations.
It also allows the processing configuration to be optimized according to:
- Polymer type
- Filler concentration
- Additive system
- Required dispersion
- Production capacity
- Processing temperature
- Final product requirements
Industrial Applications of the ECK-100
The ECK-100 is suitable for large-scale industrial compounding applications requiring both high production capacity and excellent mixing quality.
Color Masterbatch
The ECK-100 is ideal for commercial color masterbatch production, providing excellent pigment dispersion and consistent color quality at industrial production volumes.
Polyester Masterbatch
Polyester masterbatch production benefits from the ECK-100’s controlled processing environment, helping maintain viscosity stability and excellent pigment distribution.
Engineering Plastics
The ECK-100 can be configured for engineering polymers including:
PA
PET
PBT
PC
ABS
ASA
PPO
Specialty engineering plastics
PVC Compounds
The controlled processing characteristics make the ECK-100 suitable for selected PVC compounding applications where temperature management is important.
Flame-Retardant Compounds
The ECK-100 effectively incorporates flame-retardant additives and mineral fillers while maintaining stable processing conditions.
High-Filler Compounds
The machine is particularly suitable for high-volume production of compounds containing large concentrations of mineral fillers.
Specialty Polymer Compounds
The ECK-100 can also be configured for elastomers, thermoplastic elastomers and other specialty polymer formulations.
ECK-100 for High-Volume Masterbatch Manufacturing
With an output capacity of 400–500 kg/h, the ECK-100 is designed for manufacturers producing commercial quantities of masterbatch and specialty compounds.
The machine is suitable for producing:
Color masterbatch
Additive masterbatch
Filler masterbatch
Functional masterbatch
Polyester masterbatch
Engineering compounds
High-filler formulations
Combined with an appropriate pelletizing system, the ECK-100 becomes a complete industrial production platform.
Why Choose the EXTRUTEX ECK-100?
The ECK-100 combines a 100 mm processing diameter and 110 kW drive system with advanced reciprocating screw technology to deliver efficient industrial compounding.
Key advantages include:
100 mm screw diameter
110 kW drive power
500 rpm maximum screw speed
400–500 kg/h production capacity
15 mm reciprocating stroke
L/D ratio from 10–25
Rotating and reciprocating screw movement
Low-shear compounding
Excellent dispersive mixing
Excellent distributive mixing
High degree of self-wiping
Reduced dead spots
High filler loading capability
Efficient liquid additive incorporation
Precise temperature control
Water cooling for screw and barrel
Axially opening barrel
Easy cleaning and maintenance
Modular processing components
Suitable for industrial masterbatch production
Suitable for specialty polymer compounds
EXTRUTEX ECK-100 – High-Capacity Co-Kneader Technology
The EXTRUTEX ECK-100 Co-Kneader Extruder combines industrial-scale production capacity with advanced low-shear processing technology to deliver outstanding mixing quality for demanding polymer applications.
Its unique interaction between the rotating and reciprocating screw and stationary kneading pins creates highly effective material homogenization while helping maintain controlled processing temperatures.
From color masterbatch and polyester compounds to engineering plastics, high-filler formulations, flame-retardant materials and specialty polymer compounds, the ECK-100 provides manufacturers with a reliable platform for continuous industrial production.
EXTRUTEX can configure the ECK-100 according to the polymer, formulation, filler concentration, additive system, required production capacity and downstream pelletizing process.
Applications of EXTRUTEX EXCT Co-Rotating Twin-Screw Extruders
High-Performance Compounding Solutions Powered by EXTRUTEX Technology
The EXTRUTEX EXCT Series Co-Rotating Twin-Screw Extruders, developed with advanced EXTRUTEX modular twin-screw technology, are engineered to deliver maximum productivity, outstanding product quality and superior processing efficiency for modern polymer compounding industries.
Designed for continuous industrial production, these extruders combine modular screw configurations, clamshell barrel construction, independently controlled temperature zones and optimized co-rotating screw technology to provide exceptional flexibility across a wide range of materials and formulations.
Whether producing color masterbatch, engineering plastics, reinforced compounds, wire and cable materials or powder coatings, the EXCT Series provides a reliable platform capable of delivering consistent product quality while reducing production downtime and improving manufacturing efficiency.
The modular design allows each extruder to be configured according to the specific material, filler loading, additive concentration and production objective, making the EXCT Series suitable for both standard and highly customized compounding applications.
Color Masterbatch Production
The EXCT Series is an ideal solution for producing high-quality color masterbatch with excellent pigment dispersion and color consistency.
The intensive mixing capability of the co-rotating twin screws ensures uniform pigment distribution throughout the polymer matrix while maintaining stable processing conditions.
Typical materials include:
Polyethylene (PE)
Polypropylene (PP)
ABS
AS
Polyamide (PA)
EVA
PET with pigments
The modular screw configuration allows mixing intensity and residence time to be optimized for different pigment systems, helping manufacturers achieve consistent color quality and excellent pellet appearance.
Filler Masterbatch Compounding
The EXCT Series is designed to process high-loading filler masterbatch formulations with excellent dispersion and stable production performance.
Polyolefin Filler Compounds
PE + Calcium Carbonate (CaCO₃)
PP + Calcium Carbonate
EVA + Calcium Carbonate
Talc-filled compounds
Titanium dioxide formulations
Engineering Plastic Fillers
ABS + ATH
PC + ATH
PS + ATH
Magnesium Hydroxide (MGH) compounds
Functional Mineral Compounds
PP + Iron Powder
PA + Ceramic Powder
ABS + Metal Powders
The modular processing zones allow conveying, melting, kneading, dispersion and homogenization to be precisely balanced according to filler loading and material characteristics.
Reinforced Plastic Compounds
The EXCT Series provides excellent performance for manufacturing fiber-reinforced engineering plastics.
The screw configuration can be designed to introduce reinforcement while maintaining appropriate fiber length and dispersion.
Typical reinforced materials include:
PP with long and short glass fibers
PBT reinforced compounds
ABS reinforced compounds
AS reinforced compounds
PA reinforced compounds
PC reinforced compounds
POM reinforced compounds
PPS reinforced compounds
PET reinforced compounds
Controlled processing helps improve dispersion and compound uniformity while supporting consistent production quality.
Functional Masterbatch
Modern plastics often require specialized functional additives rather than color alone.
The EXCT Series can be configured for producing a wide variety of functional masterbatch products.
Biodegradable and Starch-Based Compounds
PE with starch
PP with starch
PS with decomposing agents
Flame Retardant Compounds
PP with flame-retardant additives
PA flame-retardant compounds
ABS flame-retardant compounds
PBT flame-retardant formulations
Carbon Black Masterbatch
PE with carbon black
EVA with carbon black
ABS conductive compounds
The flexible screw arrangement allows the dispersion process to be optimized for each additive system.
Wire and Cable Compounds
The EXCT Series is widely suitable for wire and cable compound production, where material consistency and precise processing control are essential.
Applications include:
HFFR (Halogen-Free Flame Retardant)
XLPE compounds
Semi-conductive compounds
Sioplas compounds
Specialty cable materials
The modular barrel and independently controlled temperature zones allow engineers to establish stable processing conditions for demanding cable formulations.
Powder Coating Production
The EXCT Series is also an effective platform for manufacturing powder coating materials.
Its controlled melting and intensive mixing capabilities help produce homogeneous coating compounds with consistent quality.
Typical formulations include:
Hybrid powder coatings
Polyester coatings
Polyurethane coatings
Epoxy coatings
Specialty powder coating formulations
The modular processing concept allows different formulations to be produced on the same machine with appropriate screw and barrel configurations.
Engineering Plastic Compounding
The EXCT Series is suitable for a broad range of engineering thermoplastics that require precise temperature control and efficient mixing.
Typical engineering polymers include:
PA
PC
ABS
PBT
PET
POM
PPS
The modular screw system allows engineers to optimize residence time, mixing intensity and temperature profiles for each material.
Direct Extrusion Applications
Beyond pellet production, the EXCT Series can also be configured for direct extrusion applications.
Depending on the downstream equipment, the homogeneous melt can be supplied directly to extrusion dies for producing various semi-finished products.
The stable melt quality provided by the co-rotating twin-screw system helps support consistent downstream processing performance.
Why Choose EXTRUTEX EXCT Series?
The EXTRUTEX EXCT Series combines EXTRUTEX’s advanced modular twin-screw technology with decades of engineering expertise to deliver reliable, high-performance compounding solutions for modern polymer manufacturing.
Key Advantages
High productivity across a wide range of materials
Excellent mixing and dispersion performance
Modular screw and barrel configurations
Clamshell barrel for fast maintenance and cleaning
Independently controlled temperature zones
Stable continuous production
Flexible processing for multiple formulations
Suitable for laboratory, pilot and industrial production
Excellent compatibility with downstream pelletizing and extrusion equipment
From color masterbatch and filler compounds to engineering plastics, wire and cable compounds, powder coatings and direct extrusion, the EXTRUTEX EXCT Series provides a versatile processing platform capable of meeting the demanding requirements of today’s plastics industry while maximizing production efficiency, operational reliability and final product quality.
TECH DATA:
EXTRUTEX ATP 114-32S – Precision Power for Rigid PVC Sheet Extrusion
Introduction
When production needs exceed the ordinary, the EXTRUTEX ATP 114-32S steps in — a masterclass in single-screw extrusion engineering.
Built with Austrian precision and forged for endurance, this machine transforms PVC and UPVC granules into flawless, smooth, dimensionally stable sheets at a rate few can match.
The ATP 114-32S represents the next generation of sheet extrusion — optimized for wide sheets, thick sections, and continuous high-capacity output.
It’s designed for manufacturers who demand more than performance — they demand perfection.
Technical Details
The EXTRUTEX ATP 114-32S integrates a special geometric screw design that optimizes material melting, mixing, and degassing.
This unique geometry ensures exceptional melt homogeneity, superior plasticization, and reduced thermal stress, even at high throughputs.
A bimetallic barrel paired with molybdenum-coated screws delivers outstanding wear resistance and a long operational life, while the 32 L/D ratio ensures excellent output consistency for rigid and semi-rigid PVC sheets.
Its AC vector drive motor and high-torque gearbox provide smooth, vibration-free power delivery, allowing precise control of melt pressure and sheet uniformity.
The multi-zone temperature control system, governed by a PLC-based control panel, maintains the thermal balance critical for quality surface finish and dimensional accuracy.
The ATP 114-32S is engineered for large-scale PVC sheet production — foamed or rigid — and can be configured with automatic feeders, melt pressure sensors, and integrated flat die systems for complete process control from hopper to haul-off.
⚙️ Technical Data Table
| Parameter | Specification |
|---|---|
| Model | EXTRUTEX ATP 114-32S |
| Application | UPVC / PVC Rigid Sheet Extrusion |
| Screw Diameter | 114 mm |
| L/D Ratio | 32:1 |
| Output Range | 270 – 450 kg/h |
| Installed Power | 107 kW |
| Drive Type | AC Vector Drive Motor |
| Screw Design | Special Geometric Design for PVC Melting and Mixing |
| Barrel Material | Nitrided / Bimetallic with Molybdenum Coating |
| Gearbox Type | High Torque, Low Noise Design |
| Heating Zones | Multi-Zone (6 to 8 Zones Adjustable) |
| Cooling System | Air / Water Integrated Cooling System |
| Control System | PLC with Touch Screen Operation |
| Degassing System | Optional Single / Double Vented Design |
| Feeding System | Automatic Volumetric / Gravimetric Feeder |
| Melt Temperature Range | 170 – 195 °C (adjustable) |
| Applications | PVC Foam Board, Rigid PVC Sheet, Advertising Panels, UPVC Flat Panels |
| Output Stability | ±1.5% Consistency |
| Country of Origin | Austria (Designed by EXTRUTEX) |
Performance Summary
The ATP 114-32S excels where productivity meets precision.
Its robust torque, thermal uniformity, and melt stability guarantee consistent sheet thickness and perfect surface clarity — even under continuous, 24-hour production cycles.
With 107 kW of engineered efficiency, it delivers the ideal balance between power consumption and throughput, resulting in reduced operating costs and maximized profitability.
Every component — from gearbox to barrel — is built to EXTRUTEX’s uncompromising European standards, making this extruder not just a machine, but a long-term production partner.
APPLICATIONS:
Applications of EXTRUTEX EXCT Co-Rotating Twin-Screw Extruders
High-Performance Compounding Solutions Powered by EXTRUTEX Technology
The EXTRUTEX EXCT Series Co-Rotating Twin-Screw Extruders, developed with advanced EXTRUTEX modular twin-screw technology, are engineered to deliver maximum productivity, outstanding product quality and superior processing efficiency for modern polymer compounding industries.
Designed for continuous industrial production, these extruders combine modular screw configurations, clamshell barrel construction, independently controlled temperature zones and optimized co-rotating screw technology to provide exceptional flexibility across a wide range of materials and formulations.
Whether producing color masterbatch, engineering plastics, reinforced compounds, wire and cable materials or powder coatings, the EXCT Series provides a reliable platform capable of delivering consistent product quality while reducing production downtime and improving manufacturing efficiency.
The modular design allows each extruder to be configured according to the specific material, filler loading, additive concentration and production objective, making the EXCT Series suitable for both standard and highly customized compounding applications.
Color Masterbatch Production
The EXCT Series is an ideal solution for producing high-quality color masterbatch with excellent pigment dispersion and color consistency.
The intensive mixing capability of the co-rotating twin screws ensures uniform pigment distribution throughout the polymer matrix while maintaining stable processing conditions.
Typical materials include:
Polyethylene (PE)
Polypropylene (PP)
ABS
AS
Polyamide (PA)
EVA
PET with pigments
The modular screw configuration allows mixing intensity and residence time to be optimized for different pigment systems, helping manufacturers achieve consistent color quality and excellent pellet appearance.
Filler Masterbatch Compounding
The EXCT Series is designed to process high-loading filler masterbatch formulations with excellent dispersion and stable production performance.
Polyolefin Filler Compounds
PE + Calcium Carbonate (CaCO₃)
PP + Calcium Carbonate
EVA + Calcium Carbonate
Talc-filled compounds
Titanium dioxide formulations
Engineering Plastic Fillers
ABS + ATH
PC + ATH
PS + ATH
Magnesium Hydroxide (MGH) compounds
Functional Mineral Compounds
PP + Iron Powder
PA + Ceramic Powder
ABS + Metal Powders
The modular processing zones allow conveying, melting, kneading, dispersion and homogenization to be precisely balanced according to filler loading and material characteristics.
Reinforced Plastic Compounds
The EXCT Series provides excellent performance for manufacturing fiber-reinforced engineering plastics.
The screw configuration can be designed to introduce reinforcement while maintaining appropriate fiber length and dispersion.
Typical reinforced materials include:
PP with long and short glass fibers
PBT reinforced compounds
ABS reinforced compounds
AS reinforced compounds
PA reinforced compounds
PC reinforced compounds
POM reinforced compounds
PPS reinforced compounds
PET reinforced compounds
Controlled processing helps improve dispersion and compound uniformity while supporting consistent production quality.
Functional Masterbatch
Modern plastics often require specialized functional additives rather than color alone.
The EXCT Series can be configured for producing a wide variety of functional masterbatch products.
Biodegradable and Starch-Based Compounds
PE with starch
PP with starch
PS with decomposing agents
Flame Retardant Compounds
PP with flame-retardant additives
PA flame-retardant compounds
ABS flame-retardant compounds
PBT flame-retardant formulations
Carbon Black Masterbatch
PE with carbon black
EVA with carbon black
ABS conductive compounds
The flexible screw arrangement allows the dispersion process to be optimized for each additive system.
Wire and Cable Compounds
The EXCT Series is widely suitable for wire and cable compound production, where material consistency and precise processing control are essential.
Applications include:
HFFR (Halogen-Free Flame Retardant)
XLPE compounds
Semi-conductive compounds
Sioplas compounds
Specialty cable materials
The modular barrel and independently controlled temperature zones allow engineers to establish stable processing conditions for demanding cable formulations.
Powder Coating Production
The EXCT Series is also an effective platform for manufacturing powder coating materials.
Its controlled melting and intensive mixing capabilities help produce homogeneous coating compounds with consistent quality.
Typical formulations include:
Hybrid powder coatings
Polyester coatings
Polyurethane coatings
Epoxy coatings
Specialty powder coating formulations
The modular processing concept allows different formulations to be produced on the same machine with appropriate screw and barrel configurations.
Engineering Plastic Compounding
The EXCT Series is suitable for a broad range of engineering thermoplastics that require precise temperature control and efficient mixing.
Typical engineering polymers include:
PA
PC
ABS
PBT
PET
POM
PPS
The modular screw system allows engineers to optimize residence time, mixing intensity and temperature profiles for each material.
Direct Extrusion Applications
Beyond pellet production, the EXCT Series can also be configured for direct extrusion applications.
Depending on the downstream equipment, the homogeneous melt can be supplied directly to extrusion dies for producing various semi-finished products.
The stable melt quality provided by the co-rotating twin-screw system helps support consistent downstream processing performance.
Why Choose EXTRUTEX EXCT Series?
The EXTRUTEX EXCT Series combines EXTRUTEX’s advanced modular twin-screw technology with decades of engineering expertise to deliver reliable, high-performance compounding solutions for modern polymer manufacturing.
Key Advantages
High productivity across a wide range of materials
Excellent mixing and dispersion performance
Modular screw and barrel configurations
Clamshell barrel for fast maintenance and cleaning
Independently controlled temperature zones
Stable continuous production
Flexible processing for multiple formulations
Suitable for laboratory, pilot and industrial production
Excellent compatibility with downstream pelletizing and extrusion equipment
From color masterbatch and filler compounds to engineering plastics, wire and cable compounds, powder coatings and direct extrusion, the EXTRUTEX EXCT Series provides a versatile processing platform capable of meeting the demanding requirements of today’s plastics industry while maximizing production efficiency, operational reliability and final product quality.
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EXTRUTEX ECK-100 Co-Kneader Extruder
EXTRUTEX ECK-100 Co-Kneader Extruder – Professional Low-Shear Compounding System
The EXTRUTEX ECK-100 Co-Kneader Extruder is a high-capacity continuous compounding system engineered for manufacturers who require maximum production efficiency, exceptional mixing quality, low-shear processing and precise temperature control for demanding polymer formulations.
With a 100 mm screw diameter, 110 kW drive power, a maximum screw speed of 500 rpm and an output capacity of approximately 400–500 kg/h, the ECK-100 is designed for commercial-scale production of color masterbatch, engineering plastics, high-filler compounds, polyester compounds and specialty polymer formulations.
Unlike conventional extrusion systems that depend primarily on aggressive mechanical shear, the ECK-100 combines continuous screw rotation with reciprocating axial movement, creating an advanced kneading process that delivers outstanding material homogeneity while helping minimize thermal degradation and unnecessary mechanical stress.
The ECK-100 represents the ideal balance between high production capacity and premium compound quality, making it suitable for manufacturers producing consistent, high-value polymer compounds on an industrial scale.
ECK-100 Technical Specifications
Parameter | ECK-100 |
|---|---|
Model | ECK-100 |
Screw Diameter | 100 mm |
L/D Ratio | 10–25 |
Reciprocating Stroke | 15 mm |
Drive Power | 110 kW |
Maximum Screw Speed | 500 rpm |
Output Capacity | 400–500 kg/h |
The ECK-100 can be customized according to polymer type, formulation complexity, filler loading, additive package and downstream pelletizing requirements.
Advanced Co-Kneader Technology for Large-Scale Production
The ECK-100 utilizes the proven Co-Kneader principle, which differs significantly from conventional single-screw and co-rotating twin-screw extrusion systems.
Instead of relying solely on continuous screw rotation, the ECK-100 introduces an additional reciprocating axial movement that continuously changes the position of the screw relative to the stationary kneading pins inside the barrel.
This unique movement produces repeated folding, stretching and redistribution of the polymer throughout the processing chamber.
During operation, the material is continuously:
Divided
Folded
Recombined
Redistributed
Homogenized
Transported forward
This creates a highly efficient mixing environment while maintaining controlled mechanical and thermal conditions.
For industrial manufacturers processing hundreds of kilograms per hour, this combination of high throughput and controlled processing becomes a significant production advantage.
Rotating and Reciprocating Screw Technology
The specially engineered screw is the core component of the ECK-100.
During production, the screw performs two simultaneous movements.
The first is its continuous rotational movement, which transports material through the machine while generating the primary kneading action.
The second is the reciprocating axial movement, which repeatedly changes the interaction between the screw flights and the stationary kneading pins.
This creates additional transverse material movement that improves mixing efficiency throughout the entire processing chamber.
Instead of allowing material to follow a simple forward path, the ECK-100 continuously renews the material around the kneading elements, producing remarkably uniform compounds while maintaining controlled processing temperatures.
The 15 mm reciprocating stroke provides even greater material redistribution than smaller models, making the ECK-100 particularly effective for higher-capacity industrial production.
A Different Approach to Polymer Compounding
The ECK-100 is based on a different compounding philosophy from traditional extrusion technology.
A conventional extruder primarily transports material forward through a rotating screw. The ECK Co-Kneader introduces another dimension to the process: the screw also moves backwards and forwards along its axis.
Special kneading flights on the screw interact with stationary kneading pins installed inside the barrel. During operation, the moving screw flights repeatedly pass the fixed pins, creating a controlled combination of longitudinal and transverse material movement.
The material is continuously:
- Divided
- Folded
- Stretched
- Redistributed
- Recombined
- Homogenized
This creates highly efficient mixing without requiring extremely aggressive mechanical shear.
Rotating and Reciprocating Screw Technology
The heart of the ECK-100 is its specially engineered reciprocating screw.
During operation, the screw performs two simultaneous movements:
Rotational movement provides continuous material transport and kneading.
Reciprocating movement changes the position of the kneading flights relative to the stationary pins and creates additional transverse movement of the polymer.
This combination significantly improves the mixing action inside the processing chamber.
Instead of allowing material to travel through a simple forward-flow path, the ECK-100 continuously renews the material around the kneading elements.
This helps produce a highly uniform compound while maintaining controlled processing conditions.
Three-Row Stationary Kneading Pin System
The ECK-100 incorporates a specially designed stationary kneading pin system that works together with the moving screw flights to create highly efficient mixing.
As the screw rotates and reciprocates, the material repeatedly encounters the kneading pins, producing both distributive and dispersive mixing.
The system helps achieve:
Excellent pigment dispersion
Uniform filler distribution
Effective additive incorporation
Improved polymer homogenization
Stable melt quality
Reduced stagnant material zones
Consistent production quality
The geometry of both the screw and kneading pins can be optimized according to the polymer formulation and production requirements.
Low-Shear Processing for Heat-Sensitive Materials
One of the defining characteristics of the ECK-100 is its ability to provide efficient mixing while maintaining relatively low mechanical shear.
Many polymers, pigments and specialty additives are sensitive to excessive heat and mechanical stress.
Instead of exposing the formulation to unnecessarily aggressive processing conditions, the ECK-100 gradually softens and homogenizes the material through controlled kneading.
This processing principle can help provide:
Lower melt temperatures
Reduced thermal degradation
Improved viscosity retention
Better color stability
Improved additive performance
More consistent finished products
For manufacturers producing premium compounds where material quality is critical, this controlled processing environment can offer significant long-term production benefits.
Superior Dispersive and Distributive Mixing
The ECK-100 combines highly effective dispersive and distributive mixing throughout its processing chamber.
Dispersive mixing helps separate agglomerated pigments and filler particles.
Distributive mixing ensures these materials are evenly distributed throughout the polymer matrix.
The combination produces compounds with:
Uniform color
Consistent filler concentration
Stable additive distribution
Excellent homogeneity
Repeatable production quality
Improved downstream processing performance
This level of mixing quality is particularly valuable for manufacturers producing high-value masterbatch and engineering compounds.
High Degree of Self-Wiping
The reciprocating movement of the screw contributes to a high degree of self-wiping inside the processing chamber.
This helps reduce material buildup and stagnant zones that can affect product quality.
The self-wiping action contributes to:
Easier cleaning
Faster product changeovers
Reduced contamination
Improved production stability
Longer continuous operating periods
Simplified maintenance
For manufacturers producing multiple colors or formulations, reduced cleaning time can significantly improve production efficiency.
Excellent Dispersive and Distributive Mixing
The ECK-100 combines effective dispersive mixing and distributive mixing.
Dispersive mixing helps break down agglomerations of pigments, fillers and additives.
Distributive mixing ensures that these components are distributed consistently throughout the polymer matrix.
This combination is particularly valuable in masterbatch production and high-performance polymer compounds where even distribution of a relatively small amount of additive can have a significant effect on the final product.
The ECK-100 can therefore provide highly homogeneous compounds with:
- Uniform color
- Consistent filler concentration
- Stable additive distribution
- Consistent viscosity
- Improved material quality
- Repeatable production results
High Degree of Self-Wiping
The ECK-100 is particularly suitable for formulations requiring high concentrations of fillers and functional additives.
Typical materials include:
Calcium carbonate
Talc
Barium sulfate
Silica
Mica
Aluminum hydroxide
Magnesium hydroxide
Carbon black
Wood flour
Specialty mineral fillers
The controlled kneading action helps distribute these materials throughout the polymer matrix while maintaining excellent processing stability.
With a production capacity of 400–500 kg/h, the ECK-100 is well suited for commercial production of high-filler compounds.
Efficient Liquid Additive Incorporation
The ECK-100 can also process formulations containing liquid components.
Examples include:
Plasticizers
Processing oils
Waxes
Coupling agents
Liquid stabilizers
Processing aids
Specialty additives
The repeated folding and redistribution of material inside the kneading chamber helps ensure efficient incorporation of liquid ingredients throughout the polymer matrix.
This makes the ECK-100 a versatile solution for complex formulations containing both solid and liquid components.
High Filler Loading Capability
The ECK-100 is suitable for formulations containing significant quantities of mineral and functional fillers.
Depending on the polymer and formulation, potential fillers include:
- Calcium carbonate
- Talc
- Barium sulfate
- Silica
- Mica
- Aluminum hydroxide
- Magnesium hydroxide
- Carbon black
- Wood flour
- Other mineral and functional fillers
The Co-Kneader processing mechanism provides effective filler incorporation while maintaining controlled processing conditions.
The larger 100 mm screw diameter and 400-500 kg/h output range make the ECK-70 suitable for industrial production where higher throughput is required.
High Degree of Self-Wiping
The reciprocating movement of the screw contributes to a high degree of self-wiping inside the processing chamber.
The continuous interaction between the screw flights and stationary kneading pins helps minimize stagnant material zones and unwanted accumulation.
This is particularly useful when processing different formulations or colors on the same machine.
A cleaner processing chamber can help with:
- Faster product changeover
- Reduced contamination
- Easier cleaning
- More stable processing
- Reduced material residence
- Easier maintenance
For masterbatch manufacturers producing multiple colors and formulations, this feature can be especially valuable.
Efficient Liquid Component Incorporation
The ECK-100 can also be configured for formulations containing liquid additives.
Examples include:
- Plasticizers
- Processing oils
- Waxes
- Liquid coupling agents
- Processing aids
- Liquid stabilizers
- Specialty additives
The continuous folding and redistribution of material inside the kneading chamber helps incorporate liquid components into the polymer matrix.
This makes the ECK-100 a flexible platform for formulations that combine polymers, powders, fillers and liquid additives.
Precise Temperature Control
Temperature management is one of the most important aspects of industrial polymer compounding.
The ECK-100 can be equipped with water cooling for both the barrel and screw, allowing processing temperatures to be controlled according to the formulation.
The combination of low-shear processing and efficient cooling helps reduce unnecessary heat generation while maintaining stable processing conditions.
Benefits include:
Stable melt temperature
Reduced thermal degradation
Better viscosity stability
Improved color consistency
Reliable additive performance
Consistent production quality
The principle remains simple: achieve excellent mixing while minimizing unnecessary heat.
Stable Continuous Industrial Production
The ECK-100 is designed for demanding continuous industrial operation.
The processing system can be integrated with suitable downstream equipment, including:
Melt filtration systems
Strand dies
Water cooling tanks
Strand cooling systems
Pelletizing systems
Automatic conveying
Material collection
Packaging systems
This allows EXTRUTEX to provide the ECK-100 as part of a complete industrial compounding line rather than simply supplying the extruder itself.
Easy Cleaning and Maintenance
The ECK-100 is designed with maintenance efficiency in mind.
The barrel can be opened axially, providing direct access to the processing chamber.
Operators can easily perform:
Screw inspection
Kneading pin inspection
Barrel cleaning
Product changeovers
Wear inspection
Component replacement
Routine maintenance
Easy access reduces downtime and improves long-term production efficiency.
Modular Processing Components
The ECK-100 features replaceable processing components that can be serviced according to operating conditions.
Depending on the application, components can be optimized for:
Polymer type
Filler concentration
Additive system
Required dispersion
Production capacity
Processing temperature
Final product requirements
This modular design provides manufacturers with greater flexibility for changing production requirements.
Modular Screw, Barrel and Pin Maintenance
The ECK-100 is designed with replaceable processing components.
Depending on the machine configuration and application, individual components such as the screw, barrel sections and kneading pins can be serviced or replaced.
This modular approach helps reduce maintenance costs and allows the machine to be maintained according to actual wear conditions.
It also provides greater flexibility when the machine is used for different formulations.
Applications of the ECK-100
The compact ECK-100 is suitable for a broad range of polymer compounding applications.
Color Masterbatch
The ECK-100 is particularly suitable for color masterbatch applications requiring excellent pigment dispersion and consistent color quality.
Its low-shear processing characteristics can help reduce unnecessary thermal stress while maintaining effective pigment distribution.
Polyester Masterbatch
Polyester masterbatch is one of the important application areas for Co-Kneader technology.
The ECK-100 can be used for development, pilot production and specialty polyester masterbatch formulations where viscosity, dispersion and temperature control are important.
Engineering Plastics
Depending on formulation and processing requirements, the ECK-70 can be applied to engineering polymers such as:
- PA
- PET
- PBT
- PC
- ABS
- ASA
- PPO
- Other specialty polymers
PVC Compounds
The ECK-100 can also be considered for selected PVC formulations where controlled temperature and gentle processing are important.
Flame-Retardant Compounds
Flame-retardant formulations often contain significant amounts of additives and mineral components.
The ECK-100 provides effective incorporation and distribution while maintaining controlled processing conditions.
High-Filler Compounds
The machine is suitable for development and production of high-filler formulations where filler loading and dispersion are important.
Elastomers and Specialty Materials
The ECK-100 can also be configured for selected elastomer, thermoplastic elastomer and specialty polymer applications.
Modular Processing Components
The ECK-100 can be configured with replaceable processing components according to the application.
Screw elements, kneading components and other wear parts can be serviced or replaced according to operating conditions.
This modular approach provides flexibility for manufacturers working with different polymers and formulations.
It also allows the processing configuration to be optimized according to:
- Polymer type
- Filler concentration
- Additive system
- Required dispersion
- Production capacity
- Processing temperature
- Final product requirements
Industrial Applications of the ECK-100
The ECK-100 is suitable for large-scale industrial compounding applications requiring both high production capacity and excellent mixing quality.
Color Masterbatch
The ECK-100 is ideal for commercial color masterbatch production, providing excellent pigment dispersion and consistent color quality at industrial production volumes.
Polyester Masterbatch
Polyester masterbatch production benefits from the ECK-100’s controlled processing environment, helping maintain viscosity stability and excellent pigment distribution.
Engineering Plastics
The ECK-100 can be configured for engineering polymers including:
PA
PET
PBT
PC
ABS
ASA
PPO
Specialty engineering plastics
PVC Compounds
The controlled processing characteristics make the ECK-100 suitable for selected PVC compounding applications where temperature management is important.
Flame-Retardant Compounds
The ECK-100 effectively incorporates flame-retardant additives and mineral fillers while maintaining stable processing conditions.
High-Filler Compounds
The machine is particularly suitable for high-volume production of compounds containing large concentrations of mineral fillers.
Specialty Polymer Compounds
The ECK-100 can also be configured for elastomers, thermoplastic elastomers and other specialty polymer formulations.
ECK-100 for High-Volume Masterbatch Manufacturing
With an output capacity of 400–500 kg/h, the ECK-100 is designed for manufacturers producing commercial quantities of masterbatch and specialty compounds.
The machine is suitable for producing:
Color masterbatch
Additive masterbatch
Filler masterbatch
Functional masterbatch
Polyester masterbatch
Engineering compounds
High-filler formulations
Combined with an appropriate pelletizing system, the ECK-100 becomes a complete industrial production platform.
Why Choose the EXTRUTEX ECK-100?
The ECK-100 combines a 100 mm processing diameter and 110 kW drive system with advanced reciprocating screw technology to deliver efficient industrial compounding.
Key advantages include:
100 mm screw diameter
110 kW drive power
500 rpm maximum screw speed
400–500 kg/h production capacity
15 mm reciprocating stroke
L/D ratio from 10–25
Rotating and reciprocating screw movement
Low-shear compounding
Excellent dispersive mixing
Excellent distributive mixing
High degree of self-wiping
Reduced dead spots
High filler loading capability
Efficient liquid additive incorporation
Precise temperature control
Water cooling for screw and barrel
Axially opening barrel
Easy cleaning and maintenance
Modular processing components
Suitable for industrial masterbatch production
Suitable for specialty polymer compounds
EXTRUTEX ECK-100 – High-Capacity Co-Kneader Technology
The EXTRUTEX ECK-100 Co-Kneader Extruder combines industrial-scale production capacity with advanced low-shear processing technology to deliver outstanding mixing quality for demanding polymer applications.
Its unique interaction between the rotating and reciprocating screw and stationary kneading pins creates highly effective material homogenization while helping maintain controlled processing temperatures.
From color masterbatch and polyester compounds to engineering plastics, high-filler formulations, flame-retardant materials and specialty polymer compounds, the ECK-100 provides manufacturers with a reliable platform for continuous industrial production.
EXTRUTEX can configure the ECK-100 according to the polymer, formulation, filler concentration, additive system, required production capacity and downstream pelletizing process.
Applications of EXTRUTEX EXCT Co-Rotating Twin-Screw Extruders
High-Performance Compounding Solutions Powered by EXTRUTEX Technology
The EXTRUTEX EXCT Series Co-Rotating Twin-Screw Extruders, developed with advanced EXTRUTEX modular twin-screw technology, are engineered to deliver maximum productivity, outstanding product quality and superior processing efficiency for modern polymer compounding industries.
Designed for continuous industrial production, these extruders combine modular screw configurations, clamshell barrel construction, independently controlled temperature zones and optimized co-rotating screw technology to provide exceptional flexibility across a wide range of materials and formulations.
Whether producing color masterbatch, engineering plastics, reinforced compounds, wire and cable materials or powder coatings, the EXCT Series provides a reliable platform capable of delivering consistent product quality while reducing production downtime and improving manufacturing efficiency.
The modular design allows each extruder to be configured according to the specific material, filler loading, additive concentration and production objective, making the EXCT Series suitable for both standard and highly customized compounding applications.
Color Masterbatch Production
The EXCT Series is an ideal solution for producing high-quality color masterbatch with excellent pigment dispersion and color consistency.
The intensive mixing capability of the co-rotating twin screws ensures uniform pigment distribution throughout the polymer matrix while maintaining stable processing conditions.
Typical materials include:
Polyethylene (PE)
Polypropylene (PP)
ABS
AS
Polyamide (PA)
EVA
PET with pigments
The modular screw configuration allows mixing intensity and residence time to be optimized for different pigment systems, helping manufacturers achieve consistent color quality and excellent pellet appearance.
Filler Masterbatch Compounding
The EXCT Series is designed to process high-loading filler masterbatch formulations with excellent dispersion and stable production performance.
Polyolefin Filler Compounds
PE + Calcium Carbonate (CaCO₃)
PP + Calcium Carbonate
EVA + Calcium Carbonate
Talc-filled compounds
Titanium dioxide formulations
Engineering Plastic Fillers
ABS + ATH
PC + ATH
PS + ATH
Magnesium Hydroxide (MGH) compounds
Functional Mineral Compounds
PP + Iron Powder
PA + Ceramic Powder
ABS + Metal Powders
The modular processing zones allow conveying, melting, kneading, dispersion and homogenization to be precisely balanced according to filler loading and material characteristics.
Reinforced Plastic Compounds
The EXCT Series provides excellent performance for manufacturing fiber-reinforced engineering plastics.
The screw configuration can be designed to introduce reinforcement while maintaining appropriate fiber length and dispersion.
Typical reinforced materials include:
PP with long and short glass fibers
PBT reinforced compounds
ABS reinforced compounds
AS reinforced compounds
PA reinforced compounds
PC reinforced compounds
POM reinforced compounds
PPS reinforced compounds
PET reinforced compounds
Controlled processing helps improve dispersion and compound uniformity while supporting consistent production quality.
Functional Masterbatch
Modern plastics often require specialized functional additives rather than color alone.
The EXCT Series can be configured for producing a wide variety of functional masterbatch products.
Biodegradable and Starch-Based Compounds
PE with starch
PP with starch
PS with decomposing agents
Flame Retardant Compounds
PP with flame-retardant additives
PA flame-retardant compounds
ABS flame-retardant compounds
PBT flame-retardant formulations
Carbon Black Masterbatch
PE with carbon black
EVA with carbon black
ABS conductive compounds
The flexible screw arrangement allows the dispersion process to be optimized for each additive system.
Wire and Cable Compounds
The EXCT Series is widely suitable for wire and cable compound production, where material consistency and precise processing control are essential.
Applications include:
HFFR (Halogen-Free Flame Retardant)
XLPE compounds
Semi-conductive compounds
Sioplas compounds
Specialty cable materials
The modular barrel and independently controlled temperature zones allow engineers to establish stable processing conditions for demanding cable formulations.
Powder Coating Production
The EXCT Series is also an effective platform for manufacturing powder coating materials.
Its controlled melting and intensive mixing capabilities help produce homogeneous coating compounds with consistent quality.
Typical formulations include:
Hybrid powder coatings
Polyester coatings
Polyurethane coatings
Epoxy coatings
Specialty powder coating formulations
The modular processing concept allows different formulations to be produced on the same machine with appropriate screw and barrel configurations.
Engineering Plastic Compounding
The EXCT Series is suitable for a broad range of engineering thermoplastics that require precise temperature control and efficient mixing.
Typical engineering polymers include:
PA
PC
ABS
PBT
PET
POM
PPS
The modular screw system allows engineers to optimize residence time, mixing intensity and temperature profiles for each material.
Direct Extrusion Applications
Beyond pellet production, the EXCT Series can also be configured for direct extrusion applications.
Depending on the downstream equipment, the homogeneous melt can be supplied directly to extrusion dies for producing various semi-finished products.
The stable melt quality provided by the co-rotating twin-screw system helps support consistent downstream processing performance.
Why Choose EXTRUTEX EXCT Series?
The EXTRUTEX EXCT Series combines EXTRUTEX’s advanced modular twin-screw technology with decades of engineering expertise to deliver reliable, high-performance compounding solutions for modern polymer manufacturing.
Key Advantages
High productivity across a wide range of materials
Excellent mixing and dispersion performance
Modular screw and barrel configurations
Clamshell barrel for fast maintenance and cleaning
Independently controlled temperature zones
Stable continuous production
Flexible processing for multiple formulations
Suitable for laboratory, pilot and industrial production
Excellent compatibility with downstream pelletizing and extrusion equipment
From color masterbatch and filler compounds to engineering plastics, wire and cable compounds, powder coatings and direct extrusion, the EXTRUTEX EXCT Series provides a versatile processing platform capable of meeting the demanding requirements of today’s plastics industry while maximizing production efficiency, operational reliability and final product quality.
TECH DATA:
EXTRUTEX ATP 114-32S – Precision Power for Rigid PVC Sheet Extrusion
Introduction
When production needs exceed the ordinary, the EXTRUTEX ATP 114-32S steps in — a masterclass in single-screw extrusion engineering.
Built with Austrian precision and forged for endurance, this machine transforms PVC and UPVC granules into flawless, smooth, dimensionally stable sheets at a rate few can match.
The ATP 114-32S represents the next generation of sheet extrusion — optimized for wide sheets, thick sections, and continuous high-capacity output.
It’s designed for manufacturers who demand more than performance — they demand perfection.
Technical Details
The EXTRUTEX ATP 114-32S integrates a special geometric screw design that optimizes material melting, mixing, and degassing.
This unique geometry ensures exceptional melt homogeneity, superior plasticization, and reduced thermal stress, even at high throughputs.
A bimetallic barrel paired with molybdenum-coated screws delivers outstanding wear resistance and a long operational life, while the 32 L/D ratio ensures excellent output consistency for rigid and semi-rigid PVC sheets.
Its AC vector drive motor and high-torque gearbox provide smooth, vibration-free power delivery, allowing precise control of melt pressure and sheet uniformity.
The multi-zone temperature control system, governed by a PLC-based control panel, maintains the thermal balance critical for quality surface finish and dimensional accuracy.
The ATP 114-32S is engineered for large-scale PVC sheet production — foamed or rigid — and can be configured with automatic feeders, melt pressure sensors, and integrated flat die systems for complete process control from hopper to haul-off.
⚙️ Technical Data Table
| Parameter | Specification |
|---|---|
| Model | EXTRUTEX ATP 114-32S |
| Application | UPVC / PVC Rigid Sheet Extrusion |
| Screw Diameter | 114 mm |
| L/D Ratio | 32:1 |
| Output Range | 270 – 450 kg/h |
| Installed Power | 107 kW |
| Drive Type | AC Vector Drive Motor |
| Screw Design | Special Geometric Design for PVC Melting and Mixing |
| Barrel Material | Nitrided / Bimetallic with Molybdenum Coating |
| Gearbox Type | High Torque, Low Noise Design |
| Heating Zones | Multi-Zone (6 to 8 Zones Adjustable) |
| Cooling System | Air / Water Integrated Cooling System |
| Control System | PLC with Touch Screen Operation |
| Degassing System | Optional Single / Double Vented Design |
| Feeding System | Automatic Volumetric / Gravimetric Feeder |
| Melt Temperature Range | 170 – 195 °C (adjustable) |
| Applications | PVC Foam Board, Rigid PVC Sheet, Advertising Panels, UPVC Flat Panels |
| Output Stability | ±1.5% Consistency |
| Country of Origin | Austria (Designed by EXTRUTEX) |
Performance Summary
The ATP 114-32S excels where productivity meets precision.
Its robust torque, thermal uniformity, and melt stability guarantee consistent sheet thickness and perfect surface clarity — even under continuous, 24-hour production cycles.
With 107 kW of engineered efficiency, it delivers the ideal balance between power consumption and throughput, resulting in reduced operating costs and maximized profitability.
Every component — from gearbox to barrel — is built to EXTRUTEX’s uncompromising European standards, making this extruder not just a machine, but a long-term production partner.
APPLICATIONS:
Applications of EXTRUTEX EXCT Co-Rotating Twin-Screw Extruders
High-Performance Compounding Solutions Powered by EXTRUTEX Technology
The EXTRUTEX EXCT Series Co-Rotating Twin-Screw Extruders, developed with advanced EXTRUTEX modular twin-screw technology, are engineered to deliver maximum productivity, outstanding product quality and superior processing efficiency for modern polymer compounding industries.
Designed for continuous industrial production, these extruders combine modular screw configurations, clamshell barrel construction, independently controlled temperature zones and optimized co-rotating screw technology to provide exceptional flexibility across a wide range of materials and formulations.
Whether producing color masterbatch, engineering plastics, reinforced compounds, wire and cable materials or powder coatings, the EXCT Series provides a reliable platform capable of delivering consistent product quality while reducing production downtime and improving manufacturing efficiency.
The modular design allows each extruder to be configured according to the specific material, filler loading, additive concentration and production objective, making the EXCT Series suitable for both standard and highly customized compounding applications.
Color Masterbatch Production
The EXCT Series is an ideal solution for producing high-quality color masterbatch with excellent pigment dispersion and color consistency.
The intensive mixing capability of the co-rotating twin screws ensures uniform pigment distribution throughout the polymer matrix while maintaining stable processing conditions.
Typical materials include:
Polyethylene (PE)
Polypropylene (PP)
ABS
AS
Polyamide (PA)
EVA
PET with pigments
The modular screw configuration allows mixing intensity and residence time to be optimized for different pigment systems, helping manufacturers achieve consistent color quality and excellent pellet appearance.
Filler Masterbatch Compounding
The EXCT Series is designed to process high-loading filler masterbatch formulations with excellent dispersion and stable production performance.
Polyolefin Filler Compounds
PE + Calcium Carbonate (CaCO₃)
PP + Calcium Carbonate
EVA + Calcium Carbonate
Talc-filled compounds
Titanium dioxide formulations
Engineering Plastic Fillers
ABS + ATH
PC + ATH
PS + ATH
Magnesium Hydroxide (MGH) compounds
Functional Mineral Compounds
PP + Iron Powder
PA + Ceramic Powder
ABS + Metal Powders
The modular processing zones allow conveying, melting, kneading, dispersion and homogenization to be precisely balanced according to filler loading and material characteristics.
Reinforced Plastic Compounds
The EXCT Series provides excellent performance for manufacturing fiber-reinforced engineering plastics.
The screw configuration can be designed to introduce reinforcement while maintaining appropriate fiber length and dispersion.
Typical reinforced materials include:
PP with long and short glass fibers
PBT reinforced compounds
ABS reinforced compounds
AS reinforced compounds
PA reinforced compounds
PC reinforced compounds
POM reinforced compounds
PPS reinforced compounds
PET reinforced compounds
Controlled processing helps improve dispersion and compound uniformity while supporting consistent production quality.
Functional Masterbatch
Modern plastics often require specialized functional additives rather than color alone.
The EXCT Series can be configured for producing a wide variety of functional masterbatch products.
Biodegradable and Starch-Based Compounds
PE with starch
PP with starch
PS with decomposing agents
Flame Retardant Compounds
PP with flame-retardant additives
PA flame-retardant compounds
ABS flame-retardant compounds
PBT flame-retardant formulations
Carbon Black Masterbatch
PE with carbon black
EVA with carbon black
ABS conductive compounds
The flexible screw arrangement allows the dispersion process to be optimized for each additive system.
Wire and Cable Compounds
The EXCT Series is widely suitable for wire and cable compound production, where material consistency and precise processing control are essential.
Applications include:
HFFR (Halogen-Free Flame Retardant)
XLPE compounds
Semi-conductive compounds
Sioplas compounds
Specialty cable materials
The modular barrel and independently controlled temperature zones allow engineers to establish stable processing conditions for demanding cable formulations.
Powder Coating Production
The EXCT Series is also an effective platform for manufacturing powder coating materials.
Its controlled melting and intensive mixing capabilities help produce homogeneous coating compounds with consistent quality.
Typical formulations include:
Hybrid powder coatings
Polyester coatings
Polyurethane coatings
Epoxy coatings
Specialty powder coating formulations
The modular processing concept allows different formulations to be produced on the same machine with appropriate screw and barrel configurations.
Engineering Plastic Compounding
The EXCT Series is suitable for a broad range of engineering thermoplastics that require precise temperature control and efficient mixing.
Typical engineering polymers include:
PA
PC
ABS
PBT
PET
POM
PPS
The modular screw system allows engineers to optimize residence time, mixing intensity and temperature profiles for each material.
Direct Extrusion Applications
Beyond pellet production, the EXCT Series can also be configured for direct extrusion applications.
Depending on the downstream equipment, the homogeneous melt can be supplied directly to extrusion dies for producing various semi-finished products.
The stable melt quality provided by the co-rotating twin-screw system helps support consistent downstream processing performance.
Why Choose EXTRUTEX EXCT Series?
The EXTRUTEX EXCT Series combines EXTRUTEX’s advanced modular twin-screw technology with decades of engineering expertise to deliver reliable, high-performance compounding solutions for modern polymer manufacturing.
Key Advantages
High productivity across a wide range of materials
Excellent mixing and dispersion performance
Modular screw and barrel configurations
Clamshell barrel for fast maintenance and cleaning
Independently controlled temperature zones
Stable continuous production
Flexible processing for multiple formulations
Suitable for laboratory, pilot and industrial production
Excellent compatibility with downstream pelletizing and extrusion equipment
From color masterbatch and filler compounds to engineering plastics, wire and cable compounds, powder coatings and direct extrusion, the EXTRUTEX EXCT Series provides a versatile processing platform capable of meeting the demanding requirements of today’s plastics industry while maximizing production efficiency, operational reliability and final product quality.
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