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B51-14 (R2019) – Boiler, pressure vessel, and pressure piping code

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ISO 17223:2026

ISO 17223:2026 Plastics — Determination of yellowness index and change in yellowness index

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This publication was last reviewed and confirmed in 2026.

Plastics — Determination of yellowness index and change in yellowness index

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Description

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.

Edition

2

Published Date

2026-06-18

Status

PUBLISHED

Pages

10

Language Detail Icon

English

Format Secure Icon

Secure PDF

Abstract

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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