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ISO 3387:2020

Rubber — Determination of crystallization effects by hardness measurements

Standard Details

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
Standard Type: Main
Document No: ISO 3387:2020
Document Year: 2020
Pages: 11
Edition: 4

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ISO 3387:2020

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