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sklademVydáno: 2020-03-11
BS ISO 3387:2020 Rubber. Determination of crystallization effects by hardness measurements

BS ISO 3387:2020

Rubber. Determination of crystallization effects by hardness measurements

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Označení normy:BS ISO 3387:2020
Počet stran:18
Vydáno:2020-03-11
ISBN:978 0 580 52432 5
Status:Standard
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BS ISO 3387:2020


This standard BS ISO 3387:2020 Rubber. Determination of crystallization effects by hardness measurements is classified in these ICS categories:
  • 83.060 Rubber

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.