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Normas BSI – AENOR
BS ISO 3387:2020

BS ISO 3387:2020

Rubber. Determination of crystallization effects by hardness measurements

2020-03-11 /Definitive
Equivalencias internacionales:

ISO 3387

Relación con otras normas BSI:

Reemplaza a: BS ISO 3387:2012


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.

Rubber, Chemical technology processes, Crystallization, Hardness, Measurement
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