Transition Temperature by DMAR-026

Description

A dynamic mechanical analyzer is used. Test material in the form of pellets is sandwiched between parallel plates of the apparatus, at melt-state temperature. The top plate is oscillated at 100 rad/s while the sample is cooled. The cross-over temperature of the G’ and G” curves is determined. 

Standards

• ASTM D4440

Data

Complex Viscosity v. Temperature, Shear Modulus v. Temperature, Strain Sweep, Tan Delta v. Temperature. This data appears in Matereality as Melt Rheology by DMA.

Replicates

Number of times this test is repeated: 1

Samples

0.5 kg of pellets

Application

This is a precise measure of the temperature where the material begins to solidify. It may be used to characterize the no-flow temperature of a material.

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