... Powder & Granules 2) Purity:99.7% & 99.5% 3) Use: Rubber,Food , Chemicals... 4) Packing: 25kg 5) ISO9001 Zinc oxide (ZnO), ... 39 Properties: White or light yellow powder, density 5.606, melting point 1975 °, is an amphoteric ... pay attention to moisture during storageand transportItemsContentPurity (zno)99.70 min99.50 minMetal (Zn)00PbO %≤0 ... , cement, Food, electronic, Zinc Oxide 99.7% 99.5% (manufature)