... & Granules 2) Purity:99.7% & 99.5% 3) Use: Rubber,Food , Chemicals... 4) Packing: 25kg 5) ISO9001 Zinc oxide (ZnO), commonly known ... Weight: 81.39 Properties: White or light yellow powder, density 5.606, melting point 1975 °, is an amphoteric oxide, soluble in ... -layer packaging 2, the standard package weight: 25kg or 1000kg3, can also be packaged according to user needs 4, pay attention ...