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Norm

ISO 3387:2020

Issue date: 2020 03 02

Rubber — Determination of crystallization effects by hardness measurements

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 ...
Valid
Publisher:
International Organization for Standardization
Format:
Digital | 11 Pages
Language:
English

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.

ISO 3387:2020
2020 03 02
Rubber — Determination of crystallization effects by hardness measurements
Norm
ISO 3387:2012
2012 07 02
Rubber — Determination of crystallization effects by hardness measurements
Norm
ISO 3387:1994/Cor 1:2000
2000 05 04
Rubber — Determination of crystallization effects by hardness measurements — Technical Corrigendum 1...
Norm
ISO 3387:1994
1994 05 26
Rubber — Determination of crystallization effects by hardness measurements
Norm
ISO 3387:1978
1978 11 01
Rubbers — Determination of crystallization effects by hardness measurements
Norm
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