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ISO 4628-1:2016

Paints and varnishes — Evaluation of degradation of coatings — Designation of quantity and size of defects, and of intensity of uniform changes in appearance — Part 1: General introduction and designation system

Publication date:   Jan 12, 2016

General information

90.93 Standard confirmed   Jun 10, 2021

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

ISO 4628-1:2016 defines a system for designating the quantity and size of defects and the intensity of changes in appearance of coatings and outlines the general principles of the system used throughout ISO 4628. This system is intended to be used, in particular, for defects caused by ageing and weathering, and for uniform changes, for example yellowing.
The other parts of ISO 4628 provide pictorial standards or other means for evaluating particular types of defect. As far as possible, already existing evaluation schemes have been used as the basis.
ISO 4628-1:2016 is also used for assessing defects not covered by the other parts of ISO 4628.

Life cycle

PREVIOUSLY

WITHDRAWN
ISO 4628-1:2003

NOW

PUBLISHED
ISO 4628-1:2016
90.93 Standard confirmed
Jun 10, 2021