Several examples of such investigations will be presented on the following pages. These tests can also be carried out with a NETZSCH Kinexus rheometer and sometimes even on just one sample loading. thermal stability (freeze-thaw, hot-cold climate) as shown in section C3, and the rebuild time after shearing. One way to determine the thermal stability of a substance is to use a TGA (thermogravimetric analyzer). Other tests may also be helpful but are not mandatory, such as the Thermal Stability A material is thermally stable if it does not decompose under the influence of temperature. Elastic materials like rubber can be stretched up to 5 to 10 times their original length.stress, viscosity flow curve and the viscoelastic properties (measurements in oscillation mode) to demonstrate that a new formulation is going to perform in approximately the same way as the OID. Samples having a circular or rectangular cross section can be compressed or stretched. The rheological characterization includes yield Stress Stress is defined as a level of force applied on a sample with a well-defined cross section.
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