... Oxide 1) White Dry Powder & Granules 2) Purity:99.7% 99.5% 3) ISO9001,SGS 99.5% 99.7%Zinc Oxide Zinc oxide (ZnO): commonly known ... ) and ISO9001-2008 Properties: White or light yellow powder, density 5.606, melting point 1975 °, is an amphoteric oxide, soluble in ... or 1000kg3, can also be packaged according to user needs 99.5% 99.7%Zinc Oxide