Our Zinc Oxide Grades: Indirect process Zinc Oxide, Direct Process Zinc Oxide, Calcined Zinc Oxide, Zinc Oxide, Pharmaceutic Zinc Oxide, nanometer Zinc Oxide, etc. Property: White powder, odourless, relative density 5.606, stable under normal temperature. Insoluble in water and alcohol, soluble in acid, alkaki and amkonium solution. Usage: Used in rubber, dope cable, porcelain enamel, oil, pottery and porcelain, glass and other chemical industry. Packing: In polyethylene film bag with outer polypropylene woven bag, 25kg, 50kg, big sack bag or as required by the customer Zinc Oxide 99.7% Content (ZnO)% ------------------------------------------------------------------------99Min MnO%---------------------------------------------------------------------------------0.001Max PbO%----------------------------------------------------------------------------------0.15Max CuO%----------------------------------------------------------------------------------0.001Max Heat Loss%----------------------------------------------------------------------------0.3Max HCl Insoluble Matter%--------------------------------------------------------------0.01Max Water Soluble Matter%---------------------------------------------------------------0.1Max 45um Sieve Residue%-----------------------------------------------------------------0.15Max