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Standard [CURRENT]

DIN EN ISO 4628-2:2016-07

Paints and varnishes - Evaluation of degradation of coatings - Designation of quantity and size of defects, and of intensity of uniform changes in appearance - Part 2: Assessment of degree of blistering (ISO 4628-2:2016); German version EN ISO 4628-2:2016

German title
Beschichtungsstoffe - Beurteilung von Beschichtungsschäden - Bewertung der Menge und der Größe von Schäden und der Intensität von gleichmäßigen Veränderungen im Aussehen - Teil 2: Bewertung des Blasengrades (ISO 4628-2:2016); Deutsche Fassung EN ISO 4628-2:2016
Publication date
2016-07
Original language
German
Pages
22

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Publication date
2016-07
Original language
German
Pages
22
DOI
https://dx.doi.org/10.31030/2342352

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Overview

This part of ISO 4628 specifies a method for assessing the degree of blistering of coatings by comparison with pictorial standards. The pictorial standards provided in this part of ISO 4628 illustrate blisters in the sizes 2, 3, 4, and 5, and each size in the quantities (densities) 2, 3, 4, and 5. 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. The committee responsible for this standard is NA 002-00-07 AA "Allgemeine Prüfverfahren für Beschichtungsstoffe und Beschichtungen" ("General test methods for coating materials and coatings") of the Standards Committee Coatings and Coating Materials (NAB) at DIN.

Content
ICS
87.040
DOI
https://dx.doi.org/10.31030/2342352
Replacement amendments

This document replaces DIN EN ISO 4628-2:2004-01 .

Cooperation at DIN

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