ISO 6769:2022
ISO 6769:2022
Vitreous and porcelain enamels - Determination of surface scratch hardness according to the Mohs scalestandard by International Organization for Standardization, 09/30/2022
standard by International Organization for Standardization, 09/30/2022
This document specifies a method of test for determining the scratch hardness of the surface of vitreous and porcelain enamels.