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Norm
ISO 4624:1978
Issue date: 1978 07 01
Paints and varnishes — Pull-off test for adhesion
Specifies a method for assessing the adhesion of a single coating or a multi-coat system of a coating material by measuring the minimum tensile stress necessary to detach...
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Withdrawn
: 2002 03 07
Publisher:
International Organization for Standardization
Format:
Digital | 7 Pages
Language:
English
Currently valid:
ICS
Specifies a method for assessing the adhesion of a single coating or a multi-coat system of a coating material by measuring the minimum tensile stress necessary to detach or to rupture the coating in a direction perpendicular to the substrate. The test may be applied using a wide range of substrates. Different procedures are specified according to whether the substrate is deformable, for example sheet metal or plastics, or rigid, for example thick concrete. The result is the minimum tensile stress necessary to breack the weakest interface (adhesive failure) or the weakest component (cohesive failure).