... outcome of zinc by oxidation. Insoluble in water, soluble in acid and alkali. Zinc oxide as chemical additives is usually and widely used in plastic ... packaging 2, the standard package weight: 25kg or 1000kg3, can also be packaged according to user needs ItemsContentPurity (zno)99.70 min99 ... )USES: Rubber/tyre, pharmacy, Glass, cement, Food, electronic, zinc oxide used in ceramic grade