ISO-4628-4 Paints and varnishes - Evaluation of degradation of coatings - Designation of quantity and size of defects, and of intensity of uniform changes in appearance - Part 4: Assessment of degree of cracking

ISO-4628-4 - 3RD EDITION - CURRENT
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ISO 4628-4:2016 specifies a method for assessing the degree of cracking of coatings by comparison with pictorial standards.

ISO 4628‑1 defines the system used 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. 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.

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87.040 (Paints and varnishes Including coating powders, paint coatings and protective paint systems)

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Document Number

ISO 4628-4:2016

Revision Level

3RD EDITION

Status

Current

Publication Date

Jan. 15, 2016

Committee Number

ISO/TC 35/SC 9