Appearance：White or light yellow fine powder, odorless, tasteless, Yellow at high temperature and white after cooling, melting point of 1975℃ (3587F)
Solubility：It is a two-stage oxide, soluble in acid、concentrated hydroxid、 ammonia water and ammonium salt solutions, difficult to dissolve in water and ethanol。
Chemical grade zinc oxide is widely used in the production of zinc stearate, zinc bromide, zinc borate, phosphating liquid and other products.
Zinc oxide (as ZnO)%,≥
Metals (as dry)%,≤
Lead oxide (as Pb)%,≤
Manganese oxide (as Mn)%,≤
Copper oxide (as Cu)%，≤
Insoluble matter in HCl%,≤
Loss on ignition%,≤
Residue on sieve (45um mesh) %，≤
Water soluble matter %，≤
Volatile matter on 105oC%，≤
Packing: 25kg/ bag, lined with polyethylene film bag, outer packing is covered with film woven bag.
Storage: Avoid damage, dampness, contamination and contact with acids.