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Produkty » Testing Systems » Rheology & Melt Flow » Capillary Rheometers » SR20 & SR50

SR20 & SR50 Capillary Rheometers

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Overview

The Instron® capillary rheometer systems of the CEAST SmartRHEO Series are specifically designed for R&D, and for advanced quality control of thermoplastic materials, as they accurately determine the rheological properties of polymer samples over a wide range of shear rates and testing conditions.The CEAST SmartRHEO Series is a popular product line for capillary rheometry, they meet the market demand for compact, stiff, reliable and technical advanced instruments for the testing field.

The capillary rheometer systems are available in either Single or Twin Bore barrel configurations. The Twin Bore configuration allows two simultaneous and independent rheological tests with direct comparison of the behavior of two different samples or two lots of the same material. With a wide range of available accessories, the testing capabilities are expanded to include the determination of fundamental properties like Melt Strength, Die Swell, and PVT behavior, allowing to simulate processes such as injection molding, extrusion, blow molding, and film blowing.

Main Features

  • Rigid "H" frame for high strength and stiffness
  • Brushless servomotor for accurate piston movement
  • Accurate barrel temperature control with 3 heating zones and multiple PT100 sensors, ensuring minimum delay in reaching the test temperature and rapid recovery after sample loading
  • Twin Bore barrel configuration allows two simultaneous and independent rheological tests, increasing time saving
  • Crosshead with independent load cell on each piston provides superior accuracy, increasing the repeatibility and reability of test results
  • Two interchangable and indepenent barrel-mounted pressure transducers allowing accurate data acquisition
  • Test data are collected, managed, and elaborated by a dedicated software. Additional modules provide deeper rheological data analysis.
  • Wide selection of optional devices and capillary dies are ideal for multiple testing applications within a single machine 

Range of Models

CEAST SR20

  • Maximum force range of 20 kN
  • Higher capacity for wider characterization
  • Single or twin bore barrel configurations

CEAST SR50

  • Maximum force range of 50 kN
  • Specially reinforced frame
  • Twin bore barrel

Capillary Rheometer Systems

The innovative Instron® line of CEAST SmartRHEO Series of Capillary Rheometer systems are designed for an accurate investigation of the rheological properties of polymeric materials.

  • Products
  • 5/24/2019
  • 2.1 MB

CEAST SmartRHEO Series: Capillary Rheometer Systems

Thermoplastic materials are processed as fluids under the effect of temperature and pressure. The ability of plastics to be formed into a wide variety of shapes, by the common plastics conversion processes, has a fundamental importance in polymer science and application. The innovative Instron® line of CEAST SmartRHEO Series of Capillary Rheometer systems are designed for an accurate investigation of the rheological properties of polymeric materials.

  • Products
  • 9/22/2014
  • 3.5 MB

ISO 11443 Extrudate Swelling

With a capillary rheometer, Instron's Die Swell Tester can determine the extrudate swell from the polymeric material placed into a die during plastics manufacturing.

ISO 11443 – Rheology of Heat-Curing Elastomers/Silicone at Room Temperature

With a CEAST SR50 Capillary Rheometer, Instron was able to test silicone materials to determine which can undergo extrusion at room temperature, observing ISO 11443.

ISO 11443 and ASTM D3835 Tests to Study Polymer Degradation

Testing with CEAST Capillary Rheometers and Visual RHEO Software allows manufacturers to understand the change in polymer viscosity related to time.

ISO 11443, ASTM D3835 Determination of Properties of Polymeric Materials with a Capillary Rheometer

ISO 11443 and ASTM D3835 are specifications for determining the flow properties of polymeric materials at temperatures lower and higher than the melting point.

ISO 11443 Research, Design and Quality Assurance for Injection Moulding

To ensure sports goggles have correct visual, mechanical, and thermal properties, check the injection of mold plastic components with a CEAST SmartRHEO machine.

ISO 11443 Fluidity of Plastics Using Capillary and Slit Die Rheometers

Along with temperature, shear rate, shear stress, filler content, and molecular weight change the fluidity of plastic melts and should be tested for their impact.

Process Optimization of Rubber Compounds using Capillary Rheometry Viscosity Measurements

To test the quality of un-vulcanized rubber, use a CEAST SR20 capillary rheometer to measure its behavior at different temperatures, pressures, and shear rates.

ASTM D3835: Extrusion of neat and carbon reinforced polyether ether ketone (PEEK)

To compare unreinforced and carbon fiber reinforced Polyether ether ketone, use a CEAST Capillary Rheometer in accordance with ASTM D3835.

Capillary Rheometer Tests on Elastomers and Rubbers

Thermo-Plastic Elastomers and synthetic rubber can be tested on a CEAST SmartRHEO capillary rheometer to ensure adherence to ISO 11443 and ASTM D3835.

ISO 17744 Determination of specific volume as a function of temperature and pressure (pvT diagram)

A controller can test how much a mold will shrink by placing it in a high-pressure chamber with controlled temperature, volume, and pressure, following ISO 17744.

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