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Overview SIST EN ISO 6769:2023 is an international standard developed by ISO in collaboration with CEN that specifies a reliable method for determining the surface scratch hardness of vitreous and po…
Overview EN ISO 6769:2022 is an international standard developed by ISO in collaboration with CEN that specifies a reliable method for determining the surface scratch hardness of vitreous and porcela…
Overview ISO 6769:2022 - "Vitreous and porcelain enamels - Determination of surface scratch hardness according to the Mohs scale" - specifies a standardized test method to determine the surface scrat…