Abstract
This document specifies 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 timespan of 15 min used for conditioning at test temperature.
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General information
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Status: PublishedPublication date: 2020-03Stage: International Standard published [60.60]
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Edition: 4Number of pages: 11
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Technical Committee :ISO/TC 45/SC 2ICS :83.060
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Life cycle
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Previously
WithdrawnISO 3387:2012
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