Molecular Formula : ZnO
Molecular Weight : 81.38
CAS NO. : 1314-13-2
Properties : White powder,stable under normal temperature, good hiding power and colouring power.Insoluble in water and alcohol ,soluble in acid ,alkali and amkonium solution.
Use : Accelerator activator, pigment, and reinforcing agent in rubber; ointment; pigment and mold growth inhibitor in paints; ceramics; floor tile; glass; zinc salts (zinc stearate etc.) feed additive; semi-conductor in electronic devices; electronic ceramics, raw material to produce zinc phosphate as steel coating.
Storage : Store at a cool and dry place.
Packing : 25Kg woven bags lined with plastic bag(special packing can be made according to clients' requirement).
Specification ( % )
index item
standard
Assay(ZnO)
99.7%min
Alkalinity
According to the test
Carbonates and substances insoluble in acid
according to the test
Arsenic(As)
Not more than 5ppm
Cadmium(Cd)
Not more than 10ppm
Iron(Fe)
Not more than 200ppm
Lead(Pb)
Not more than 50ppm
Loss on Ignition(500'C)
Not more than 1.0%
Other Grades Zinc Oxide
Indirect Method Zinc Oxide 99.7% Indirect Method Zinc Oxide 99.9%
Indirect Method Zinc Oxide 99.5% Direct Method Zinc Oxide 99%min
