Methods of test for metallic and related coatings Physical tests - Resistance to scratching

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Hardcopy , PDF 1 User , PDF 3 Users , PDF 5 Users , PDF 9 Users

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English

Published date

14-08-2006

Publisher

Standards Australia

Specifies a method for determining the resistance of an organic coating on a metallic substrate to penetration by scratching with a needle.

This Standard specifies a method for determining the resistance of an organic coating on a metallic substrate to penetration by scratching with a needle.On soft materials such as aluminium alloys and thin gauge steels substrates below 0.4 mm the needle may deform the substrate rather than scratch the surface. If the substrate is deformed then this test is not valid. Soft coatings such as polyvinylchloride (PVC) and structured coatings may not give precise results due to the soft nature of the coating and/or the potential for the needle to snag. This method is not applicable to conductive coatings.

Committee	MT-009
DocumentType	Standard
ISBN	0 7337 7686 8
Pages	4
ProductNote	Reconfirmed 07/04/2017.This standard has been reconfirmed in Australia in 2017 and remains current in New Zealand. Reconfirmation Notice 07/04/2017
PublisherName	Standards Australia
Status	Current
Supersedes	DR 06293

First published as AS 2331.4.7-2006.Reconfirmed 2017. First published as AS 2331.4.7-2006.

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AS/NZS 2728:2007	Prefinished/prepainted sheet metal products for interior/exterior building applications - Performance requirements

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AS 2331.4.7-2006

Methods of test for metallic and related coatings Physical tests - Resistance to scratching

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