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Standard [WITHDRAWN]

DIN EN ISO 20566:2013-06

Paints and varnishes - Determination of the scratch resistance of a coating system using a laboratory-scale car-wash (ISO 20566:2013); German version EN ISO 20566:2013

German title
Beschichtungsstoffe - Prüfung der Kratzbeständigkeit von Beschichtungen mit einer Labor-Automobilwaschanlage (ISO 20566:2013); Deutsche Fassung EN ISO 20566:2013
Publication date
2013-06
Original language
German
Pages
16

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Publication date
2013-06
Original language
German
Pages
16
DOI
https://dx.doi.org/10.31030/1927426

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Overview

The standard specifies a test procedure for assessing the scratch resistance of organic paint coatings, in particular paint coatings used in the automotive industry (carwash resistance). Machine-based washing is simulated in the laboratory using a rotating brush and synthetic dirt. The test conditions have been designed to be as close as possible to the real conditions in a car-wash. If the test parameters are suitably adapted, the method can also be used for testing plastics. With this test procedure, it is important to note that the test results will not, over time, remain constant, as a result of changes to the brush material, that is, as the brush ages, the test will become more severe. Furthermore, a dependency on the position of the sample on the test panel holder was noted. As a result, the test procedure is suitable only for comparative tests carried out at any one time and using relatively short runs. The absolute values accumulated at different total numbers of operating hours of the brushes are not comparable with each other. The committee responsible for this standard is NA 002-00-07-11 AK "Waschkratzerbeständigkeit" ("Scratch resistance") at DIN.

Content
DOI
https://dx.doi.org/10.31030/1927426
Amendments

Replaces DIN EN ISO 20566:2007-01 .

This document has been replaced by:: DIN EN ISO 20566:2021-06 .

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