GB/T 9989.2-2015
搪瓷耐化學侵蝕的測定 第2部分:耐沸騰酸、沸騰中性液體及其蒸氣化學侵蝕的測定
Vitreous and porcelain enamels.Determination of resistance to chemical corrosion.Part 2:Determination of resistance to chemical corrosion by boiling acids,boiling neutral liquids and/or their vapours
GBT9989.2-2015, GB9989.2-2015