Abstract / scope
This document specifies a method of test for determining the scratch hardness of the surface of vitreous and porcelain enamels.
ISO 6769:2022Published
Vitreous and porcelain enamels — Determination of surface scratch hardness according to the Mohs scale
Émaux vitrifiés — Détermination de la dureté superficielle suivant l'échelle de Mohs