Rheology & Processing

KRXN-771 Torque Rheometer with Extruder

KRXN-771 Torque Rheometer with Extruder

Overview

Product Overview

The KOREXAN KRXN-771 Torque Rheometer with Extruder is an advanced laboratory-scale material characterization and processing system designed to combine high-precision rheological analysis with integrated twin-screw extrusion in a single intelligent platform. Engineered for polymer research, rubber compounding, material development, and quality control, the system enables researchers to accurately evaluate material behavior while simultaneously performing compounding and extrusion under precisely controlled processing conditions.

Featuring a high-performance torque rheometer integrated with a modular co-rotating twin screw extruder, the KRXN-771 provides precise measurement of torque, temperature, screw speed, and processing pressure throughout the entire experiment. Its electrically heated dual-zone mixing chamber, segmented screw design, wide operating temperature capability, and high torque capacity ensure exceptional repeatability, accurate rheological characterization, and reliable processing of a broad range of thermoplastics, elastomers, rubber compounds, composites, masterbatches, engineering plastics, and advanced material formulations.

Designed with a modular architecture, the instrument allows seamless docking and undocking of processing modules, providing outstanding flexibility for different laboratory applications. The integrated feeding system, precision mixing chamber, twin screw extruder, optional melt pump, and strand winder work together to deliver continuous material processing from mixing to extrusion without material loss or unnecessary handling. Advanced CAN Open Bus communication automatically recognizes connected modules, simplifying system configuration while ensuring reliable operation and efficient workflow.

The KRXN-771 is powered by an intelligent Windows-based software platform offering real-time monitoring of torque, temperature, pressure, and rotational speed together with automated data acquisition, graphical analysis, customizable reporting, secure data storage, user management, and complete experiment documentation. The intuitive software enables laboratories to develop, optimize, and validate material formulations with enhanced productivity while maintaining excellent data integrity and reproducibility.

Built for long-term laboratory reliability, the system incorporates precision-engineered mechanical components, robust drive technology, advanced temperature control, high-accuracy sensors, and premium construction materials to ensure consistent performance under demanding research and production simulation environments. Its compact footprint, intuitive touch-screen interface, and user-friendly operation make it ideally suited for both routine testing and advanced materials research.

Ideal for polymer processing laboratories, rubber industries, plastics manufacturers, masterbatch producers, composite material development, additive formulation studies, academic institutions, government research organizations, and industrial R&D centers, the KOREXAN KRXN-771 Torque Rheometer with Extruder delivers outstanding analytical accuracy, process optimization, and dependable performance. Combining precision rheological measurement, intelligent automation, integrated extrusion technology, and advanced software capabilities, it provides a comprehensive solution for modern laboratories engaged in advanced material research, formulation development, and quality assurance.

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Key Features

  • Integrated Torque Rheometer with Twin Screw Extruder
  • High-Precision Torque Measurement up to 300 N·m
  • Wide Temperature Range up to 450°C
  • Co-Rotating Segmented Twin Screw Extruder
  • Real-Time Monitoring of Torque, Temperature, Speed & Pressure
  • Windows-Based Intelligent Control Software
  • Automatic Module Recognition via CAN Open Bus
  • Dual-Zone Electrically Heated Mixing Chamber
  • High-Speed Screw Operation up to 1000 rpm
  • Modular Docking & Undocking Design
  • Integrated Winder / Spooler for Strand Collection
  • Integrated Winder / Spooler for Strand Collection
  • Supports Polymer, Rubber & Composite Material Development
  • Excellent Repeatability & Process Control
  • User-Friendly Touch Screen Interface
  • Ideal for R&D, Quality Control & Material Processing

Specifications

ParameterValue
Instrument TypeTorque Rheometer with Twin Screw Extruder
ModelKRXN-771
Maximum Torque300 N·m
Torque Accuracy±1% Full Scale
Maximum Temperature450°C
Temperature Accuracy±1°C
Maximum Screw Speed1000 rpm
Maximum Operating Pressure100 bar
Maximum Output Rate≥10 kg/h
Mixing ChamberElectrically Heated Dual-Zone Mixer
Extruder TypeCo-Rotating Twin Screw Extruder
Screw Diameter16–20 mm
Screw Length (L/D Ratio)Up to 40:1
Screw DesignSegmented Twin Screw
Heating Zones4 Heating Zones
Feeding SystemManual & Pneumatic Feeding
Winder Speed1–10 m/min
Melt Pump PressureUp to 500 bar
Melt Pump TemperatureUp to 350°C
ConnectivityUSB, Serial & CAN Open Bus
SoftwareWindows-Based Control & Data Analysis Software
Display7-inch Touch Screen Interface
Data AcquisitionReal-Time Torque, Temperature, Speed & Pressure Monitoring
Materials SupportedThermoplastics, Elastomers, Rubbers, Composites, Masterbatches, Engineering Plastics & Biopolymers
ApplicationsPolymer Research, Rubber Compounding, Material Development, Quality Control & Academic Research

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