ASTM D6204 Part A is one of the key tests for determining molecular properties of polymers and rubber compounds. 

The Rubber Process Analyzer is quickly being adapted into laboratories for advanced rubber characterization capabilities. ASTM D6204 is a three part test that measures molecular properties, processability and non-isothermal curing information of elastomers. The video below focuses on part A, highlighting molecular properties. Together we will show how RPA testing provides insights into average molecular weight, molecular weight distribution and long chain branching characteristics.

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