ISO 4660:2020 天然生橡胶 颜色指数测定

标准编号：ISO 4660:2020

中文名称：天然生橡胶 颜色指数测定

英文名称：Rubber, raw natural — Colour index test

发布日期：2020-05

标准范围

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.

标准预览图