Zinc Oxide 99.5% Specifications:
Appearance: pure white powder
Assay (ZnO): 99.5 min
Lead (Pb): 0.05% max
Copper (Cu): 0.0004% max
Manganese (Mn): 0.0001% max
Acid-Insoluble Substance : 0.008% max
Water Soluble portion : 0.10% max
Sieve Finese (45μm): 99.85% pass

Zinc Oxide 99.7% Specifications :
Appearance: pure white powder
Assay (ZnO): 99.7 min
Lead (Pb): 0.0370% max
Copper (Cu): 0.0002% max
Manganese (Mn): 0.0001% max
Acid-Insoluble Substance: 0.006% max
Water Soluble portion : 0.10% max
Sieve Finese (45μm): 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.