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ISO 4660:2020

Rubber, raw natural -- Colour index test

General information
Valid from 27.05.2020
Directives or regulations
None
Standard history
Status
Date
Type
Name
27.05.2020
Main
04.02.2011
Main
This document specifies two methods to determine the colour of raw natural rubber according to a standard colour scale: - Method A: colour matching against standard coloured glasses; - Method B: colour determination using colour spectrophotometer. In case of dispute, the preferred method is Method B.
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