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ISO 4628-5:2022

Paints and varnishes — Evaluation of quantity and size of defects, and of intensity of uniform changes in appearance — Part 5: Assessment of degree of flaking

Publication date:   Nov 11, 2022

General information

60.60 Standard published   Nov 11, 2022

ISO

ISO/TC 35/SC 9 General test methods for paints and varnishes

International Standard

87.040   Paints and varnishes

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Scope

This document specifies a method for assessing the degree of flaking of coatings by comparison with pictorial standards.
ISO 4628-1 specifies the system used for designating the quantity and size of defects and the intensity of changes in appearance of coatings. It also outlines the general principles of the system. This system is intended to be used, in particular, for defects caused by ageing and weathering, and for uniform changes such as colour changes, for example yellowing.

Life cycle

PREVIOUSLY

WITHDRAWN
ISO 4628-5:2016

NOW

PUBLISHED
ISO 4628-5:2022
60.60 Standard published
Nov 11, 2022