![]() ![]() The sample will be subjected to increasing tensile stresses until the weakest path trough the material fractures. The purpose of this test is to measure the mechanical tensile strength of a coating. Pull-off adhesion testing of paint, varnish and other coatings and films with the PAT adhesion tester and the DFD® method.ĪSTM D4541 and ISO 4624 (EN 24624) “ISO 4624 paints and varnish pull off test for adhesion” both define the method and procedures for carrying out pull-off adhesion testing of paints, varnishes and other coatings. Go here for the ASTM standard for adhesion testing of thermal sprayed coatings ASTM C633 Pull-off adhesion testing of paint, varnish and other coatings and films with the PAT adhesion tester and the DFD® method The Test Method ![]()
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