Standard NBN EN ISO 21546:2021
Paints and varnishes - Determination of the resistance to rubbing using a linear abrasion tester (crockmeter) (ISO 21546:2019)
87.040 Paints and varnishes
This document specifies a method for determining the resistance of a coating to rubbing by means of a loaded abrasive material which is linearly moved over the surface to be tested. The method can also be applied to different material surfaces, such as plastics and metals.