ISO 4660:2020

Rubber, raw natural — Colour index test

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.

Edition	2020
Published Date	2020
Published By	International Standardization Organisation
Page Count	9