International Standard
ISO 3387:2020
Rubber — Determination of crystallization effects by hardness measurements
Reference number
ISO 3387:2020
Edition 4
2020-03
© ISO 2024
International Standard
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Published (Edition 4, 2020)

ISO 3387:2020

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CHF 63
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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 published [60.60]
  • Edition
     : 4
    Number of pages
     : 11
  • Technical Committee :
    ISO/TC 45/SC 2
    ICS :
    83.060 
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Life cycle

Sustainable Development Goals

This standard contributes to the following Sustainable Development Goals

12
Responsible Consumption and Production
9
Industry, Innovation and Infrastructure

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