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sklademVydáno: 2020-03-11
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 |
DESCRIPTION
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.