SS-ISO-3387 › Historical Revision Information
Rubber - Determination of crystallization effects by hardness measurements (ISO 3387:2012, IDT)

SS-ISO-3387 - 2013 EDITION - SUPERSEDED
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This International Standard specifes a test based on hardness measurements for determining the progressive stiffening of rubber with time, caused by crystallization. It is limited to materials having an initial hardness at a test temperature of from 10 IRHD to 85 IRHD.The method is applicable to raw, unvulcanized (compounded) and vulcanized rubber. It is mainly of interest for rubber with a marked crystallization tendency at temperatures experienced in cold climates, such as chloroprene and natural rubber.The method is not applicable to fast-crystallizing materials which crystallize to a considerable degree within the time-span of 15 min used for conditioning at test temperature.