Reologia

Soluções em ensaios

Rheology of Compounded Thermoplastic Rubber used for Processing Tyres

A capillary rheometer, like the CEAST SR20, can find the flow characteristics of compounded thermoplastic elastomers used in the production of tires.

Rheological Tests on Cap Liners Manufactured for Plastic Bottle Caps

A CEAST Capillary Rheometer has been used to test the flow behavior of plastic cap liners of bottle cap to prevent leaks with a tight mold and quality seal.

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.

ASTM D1238 Meltflow Rates of Thermoplastics by Extrusion Plastometer

ASTM D1238 prescribes four test procedures to measure the fluidity of plastics in the Melt Flow Index with testing the rate of extrusion of resins through a die.

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 – 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 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.

ISO 22007 Determination of Thermal Conductivity and Thermal Diffusivity, General Principles

For ISO 22007, testing technicians can determine thermal conductivity data easily by using Capillary Rheometers with applicable accessory.

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.

Testing Sticky Samples with MFT: Procedures for Barrel Cleaning

Instead of manual cleaning methods, the Integrated Barrel Cleaning Device is used to easily clean Melt Flow Testers after every test to ensure accuracy.