ASTM D395-A
Standard Test Methods for Rubber Property—Compression Set


ASTM D395-A establishes the procedure for measuring hardness in elastomers and elastomeric materials using a Shore A durometer. Applicable to natural rubber, synthetic rubber, and elastomeric compounds across industrial and commercial applications, this test method evaluates material hardness by measuring the indentation depth created by a standardized penetrator pressed into the material surface over 15 seconds. The resulting Shore A value, ranging from 0 to 100, quantifies the material's resistance to elastic deformation and provides an indication of its overall rigidity and performance characteristics.


ASTM D395-A standard webpage

ASTM D395-A
Standard Test Methods for Rubber Property—Compression Set


ASTM D395-A establishes the procedure for measuring hardness in elastomers and elastomeric materials using a Shore A durometer. Applicable to natural rubber, synthetic rubber, and elastomeric compounds across industrial and commercial applications, this test method evaluates material hardness by measuring the indentation depth created by a standardized penetrator pressed into the material surface over 15 seconds. The resulting Shore A value, ranging from 0 to 100, quantifies the material's resistance to elastic deformation and provides an indication of its overall rigidity and performance characteristics.


ASTM D395-A standard webpage
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