ISO 3387:2020

Published (Edition 4, 2020)

ISO 3387:2020

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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.

General information

Status
: Published

Publication date
: 2020-03

Stage
: International Standard under systematic review [90.20]
Edition
: 4

Number of pages
: 11
Technical Committee :
ISO/TC 45/SC 2

ICS :
83.060
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