EN ISO 28706-3:2011 釉瓷和搪瓷.耐化学腐蚀的测定. 第3部分:用六角容器[代替:CEN EN14483-3]测定耐化学腐
Vitreous and porcelain enamels - Determination of resistance to chemical corrosion - Part 3: Determination of resistance to chemical corrosion by alkaline liquids using a hexagonal vessel