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。
1. Zinc oxide for top-grade ceramics is an important chemical flux material of ceramics, most of them are used in glaze material of ceramic wall and floor tiles, or low-temperature ceramic wares
2. In ceramic industry, Zinc oxide is widely used in the glaze of brick and tiles, translucent glaze of stone ware, transparent glaze or fritted glaze of crafted tableware and dish.
Zinc oxide (as ZnO)%,≥
Metals (as dry)%,≤
Lead oxide (as Pb)%,≤
Ferric oxide（as Fe）%,≤
Insoluble matter in HCl%,≤
Loss on ignition%,≤
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.