帮助中心
配方类型:
METALS
配方说明:
Solid Phosphating for Metal Protection (British Patent 699,308)
配方组成:
96% Sulfuric Acid/72
Mix until uniform and then add
Sodium Nitrate/8
Sodium Acid Phosphate/106
Sodium Dichromate/1
配制方法:
联系我们
咨询反馈