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ISO 17223:2026

Plastics — Determination of yellowness index and change in yellowness index

General information

Valid from 01.04.2026
Directives or regulations
None

Standard history

Status
Date
Type
Name
01.04.2026
Main
06.05.2014
Main
This document specifies an instrumental method for determining the yellowness index and change in yellowness index on clear, translucent, or opaque plastics.
NOTE Change in yellowness index is often used to evaluate the effect of environment, e.g. heat, UV exposure, etc., on colour stability.

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