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Norm

ÖNORM EN ISO 2409

Issue date: 2020 12 01

Paints and varnishes - Cross-cut test (ISO 2409:2020)

This document specifies a test method for assessing the resistance of paint coatings and varnishes (including wood stains) to separation from substrates when a right-angl...
Valid
Publisher:
Austrian Standards International
Format:
Digital | 18 Pages
Language:
German | English | Download GER/ENG
Optionally co-design standards:
This document specifies a test method for assessing the resistance of paint coatings and varnishes (including wood stains) to separation from substrates when a right-angle lattice pattern is cut into the coating, penetrating through to the substrate. The property determined by this empirical test procedure depends, among other factors, on the adhesion of the coating to either the preceding coat or the substrate. This procedure is not, however, a means of measuring adhesion. The method described can be used either as a pass/fail test or, where circumstances are appropriate, as a six-step classification test. When applied to a multi-coat system, assessment of the resistance to separation of individual layers of the coating from each other can be made. The test can be carried out on finished objects and/or on specially prepared test specimens. Although the method is applicable to paint on hard (e.g. metal) and soft (e.g. wood and plaster) substrates, these different substrates need a different test procedure. The method is not suitable for coatings of total thickness greater than 250 µm or for textured coatings.
ÖNORM EN ISO 2409
2020 12 01
Paints and varnishes - Cross-cut test (ISO 2409:2020)
Norm
ÖNORM EN ISO 2409
2013 06 01
Paints and varnishes - Cross-cut test (ISO 2409:2013)
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ÖNORM EN ISO 2409
2007 08 01
Paints and varnishes - Cross-cut test (ISO 2409:2007)
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ÖNORM EN ISO 2409
1994 11 01
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Paints and varnishes — Cross-cut test