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ISO 3387:2020

Rubber - Determination of crystallization effects by hardness measurements
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ISO 3387:2020

Rubber - Determination of crystallization effects by hardness measurements

PUBLISH DATE 2020
ISO 3387:2020

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.

SDO ISO: International Organization for Standardization
Document Number ISO 3387
Publication Date March 1, 2020
Language en - English
Page Count
Revision Level
Supercedes
Committee ISO/TC 45/SC 2
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