Rubber. Determination of crystallization effects by hardness measurements
83.060 - Rubber
Reemplaza a: BS ISO 3387:2012
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
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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