1.  Name   Zinc Oxide

2.  Molecular formula ZnO

3.  Molecular weight  81.37

4.  Physical and Chemical property:    density:1975 °C  boiling point: 2360 °C  solubility: 0.16 mg / 100 ml(30 °C)

5.  Appearance:    White powder 

2.  Usage:   It is used widely in Rubber products

3.  Production technology:   In industrial production zinc oxide usually get from the combustion of zinc or sphalerite. It includes :Indirect method, Direct method, Wet chemical method, Hydrothermal synthesis, Spray pyrolysis.

4.  Characteristics:    Besides industry grade, pharmaceutical grade also runs, but it will require high content and price. Feed grade and food grade can also provide. Still, the main content is to contain 95% or 99% of active ZnO .