1) White Dry Powder & Granules 2) Purity:99.7% & 99.5% 3) Use: Rubber,Food , Chemicals... 4) Packing: 25kg 5) ... needs 4, pay attention to moisture during storageand transportItemsContentPurity (zno)99.70 min99.50 minMetal (Zn)00PbO %≤0.0370.05MnO %≤0 ... )USES: Rubber/tyre, pharmacy, Glass, cement, Food, electronic, Zinc Oxide 99.7% 99.5% (manufature)