Zinc Oxide 99.0% Specifications:
1.Appearance: pure white powder
2.Assay (ZnO): 99.0 min
3.Lead (Pb): 0.15% max
4.Copper (Cu): 0.001% max
5.Manganese (Mn): 0.001% max
6.PH value: 6.8-7.2
7.Moisture (H20): 0.3% max
8.Acid-Insoluble Substance : 0.010% max
9.Water Soluble portion : 0.10% max
10.Sieve Finese (325 mesh): 99.9% pass

Zinc Oxide 99.5% Specifications:
1.Appearance: pure white powder
2.Assay (ZnO): 99.5 min
3.Lead (Pb): 0.10% max
4.Copper (Cu): 0.0005% max
5.Manganese (Mn): 0.0005% max
6.PH value: 6.8-7.2
7.Moisture (H20): 0.3% max
8.Acid-Insoluble Substance : 0.010% max
9.Water Soluble portion : 0.10% max
10.Sieve Finese (325 mesh): 99.9% pass

Zinc Oxide 99.7% Specifications :
1.Appearance: pure white powder
2.Assay (ZnO): 99.7 min
3.Lead (Pb): 0.0370% max
4.Copper (Cu): 0.0004% max
5.Manganese (Mn): 0.0004% max
6.PH value: 6.8-7.2
7.Moisture (H20): 0.3% max
8.Acid-Insoluble Substance: 0.010% max
9.Water Soluble portion : 0.10% max
10.Sieve Finese (325 mesh): 99.9% pass

Utilizing:Accelerator activator, pigment, and reinforcing agent in rubber; oinment; pigment and mold growthe inhibitor in paints; ceramics; floor tile; glass; zinc salts (zinc stearate etc.) feed additive; semiconductor in electronic devices; electronic ceramics, raw material to produce zinc phosphate as steel coating

Properties: white powder; odorless; bitter taste; absorbs carbon dioxide from the air; has greatest ultraviolet absorption of all commercial pigments sp.gr.5.48; m.p.19750C; soluble in acids and alkalis; insobuble in water and alcohol. Noncombustible; nontoxic as powder.