ISO 17223:2026

Plastics — Determination of yellowness index and change in yellowness index

Publication date: Apr 1, 2026

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Current stage: 60.60 Effective date: Apr 1, 2026

Originator: ISO

Owner: ISO/TC 61/SC 5

Type: International Standard

ICS: 83.080.01

Languages: English

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Status: Published

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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.

ISO 17223:2026

Plastics — Determination of yellowness index and change in yellowness index

General information

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