1976-02-01

Comparison of Low Temperature Testing Techniques for Elastomer Specifications 760221

It is frequently necessary to specify low-temperature requirements for vulcanized rubber. This is commonly accomplished by establishing minimum values using the line call-out procedures of SAE J200 - ASTM D 2000. Resistance to impact at a low temperature is determined on specimens die cut from test slabs and tested per ASTM D 2137.
Due to a considerable variation in results the Committee on Automotive Rubber Specifications decided to investigate the precision of D 2137 and, concurrently, alternate procedures which could be included in SAE J200 - ASTM D 2000. Test results are presented showing repeatability and reproducibility for ASTM D 2137, D 1053 and D 1329. To a lesser extent data are shown on glass transition temperature measurements.

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