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Norm

ÖNORM EN ISO 4624

Issue date: 2023 09 15

Paints and varnishes - Pull-off test for adhesion (ISO 4624:2023)

This document specifies three methods for determining the adhesion by carrying out a pull-off test on a single coating or a multi-coat system of paint, varnish or related...
Valid
Publisher:
Austrian Standards International
Format:
Digital | 20 Pages
Language:
German | English | Download GER/ENG
Optionally co-design standards:
This document specifies three methods for determining the adhesion by carrying out a pull-off test on a single coating or a multi-coat system of paint, varnish or related product. These methods include: - method A: using two dollies, suitable for testing both rigid and deformable substrates; - method B: testing from one side only, using a single dolly, suitable for rigid substrates only; - method C: using dollies, one as a painted substrate. These test methods have been found useful in comparing the adhesion behaviour of different coatings. It is most useful in providing relative ratings for a series of coated panels exhibiting significant differences in adhesion. The test can be applied using a wide range of substrates. Different procedures are given according to whether the substrate is deformable, e.g. thin metal, plastics and wood, or rigid, e.g. thick concrete and metal plates. To avoid distortion of the substrate during the tensile test, it is common to use a sandwich construction. For example, for special purposes, the coating can be applied directly to the face of a test dolly.
ÖNORM EN ISO 4624
2023 09 15
Paints and varnishes - Pull-off test for adhesion (ISO 4624:2023)
Norm
ÖNORM EN ISO 4624
2016 07 01
Paints and varnishes - Pull-off test for adhesion (ISO 4624:2016)
Norm
ÖNORM EN ISO 4624
2003 07 01
Paints and varnishes - Pull-off test for adhesion (ISO 4624:2002)
Norm
ÖNORM EN 24624
1992 12 01
Paints and varnishes - Pull-off test for adhesion
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