... alkali. Zinc oxide as chemical additives is usually and widely used in plastic, silicate products, synthetic rubber, lubricants, paint, medicines, adhesives, food ... also be packaged according to user needs ItemsContentPurity (zno)99.70 min99.50 minMetal (Zn)00PbO %≤ 0.0370.05MnO %≤ 0.00010 ... )USES: Rubber/tyre, pharmacy, Glass, cement, Food, electronic, zinc oxide used in ceramic grade