Product Description: Zinc Oxide 99.5%Tech grade Appearance: White powder Specification: ZnO: 99.5% min MnO: 0.0005% max PbO: 0.05% max CuO: 0.0005% max Heat Loss: 0.3% max HCl Insoluble Matter: 0.01% max Water soluble matter: 0.1% max 45um Sieve Residue: 0.15% max 99.7%Tech grade Appearance: White powder Specification: ZnO: 99.7% min MnO: 0.0004% max PbO: 0.037% max CuO: 0.0004% max Heat Loss: 0.3% max HCl Insoluble Matter: 0.01% max Water soluble matter: 0.1% max 45um Sieve Residue: 0.15% max Packing: PP woven bags or cowhide bags of 25kg/bag net Application: Zinc Oxide is mainly used as zinc additive for animal feed. It is also used in rubber, painting and coating industries ect.