RS ISO 4624: 2016
Paints and varnishes — Pull-off test for adhesion


This International Standard specifies three methods (i.e. one dolly or two dollies on a painted panel and
two dollies, one as painted substrate) 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 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 may be applied using a wide range of substrates. Different procedures are given according to
whether the substrate is deformable, for example thin metal, plastics and wood, or rigid, for example
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 may be applied directly
to the face of a test dolly.

General Information

RS ISO 4624: 2016ADOPTED ISO STANDARDSPaint and colour industries19Third Edition
Jun 2023
Price: RWF 16,500

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