PD CEN ISO/TR 21555:2020 - Page 2

Paints and varnishes. Overview of test methods on hardness and wear resistance of coatings. | Status: Current

1 Scope This document provides an overview for selecting the most suitable test method regarding the evaluation of the hardness and the wear resistance of coatings. Annex A gives a summarized list of test methods for the evaluation of the hardness and of the wear resistance of coatings for different stresses. Methods for testing cross-linking (wear test in connection with solvents) and abrasion tests with multiple impacts are not covered by this document.