NF A92-200-4*NF EN ISO 28706-4:2016 Vitreous and porcelain enamels - Determination of resistance to chemical corrosion - Part 4 : determination of resistance to chemical corrosion by alkaline liquids using a cylindrical vessel
2016NF A92-200-4*NF EN ISO 28706-4:2016 Vitreous and porcelain enamels - Determination of resistance to chemical corrosion - Part 4 : determination of resistance to chemical corrosion by alkaline liquids using a cylindrical vessel