Zinc Oxide Form : Powder

General Informations:
Zinc Oxide 99.5% 99.7% 99.9%
1. Formula: ZnO
2. CAS NO.: 1314-13-2
3. M. W: 81.38
4. HS Code: 28170010.00
5. Einecs No.: 215-222-5
Usage:
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.
Specification:
1>. 99.5%:
ITEM SPECIFICATION
ZnO(by dry basis), % Min . 99.50
Zn (Metal), % None
MnO,% Max. 0.0001
PbO, % Max. 0.05
CuO, % Max. 0.0004
Insoluble matter in HCL, % Max. 0.008
Loss on ignition, % Max. 0.20
Residueon 45um screen, % Max. 0.15
Water soluble matter, % Max. 0.10
Volatile, % Max. 0.40
2>.99.7%:
ITEM SPECIFICATION
ZnO(by dry basis), % Min . 99.70
Zn (Metal), % None
MnO,% Max. 0.0001
PbO, % Max. 0.037
CuO, % Max. 0.0004
Insoluble matter in HCL, % Max. 0.006
Loss on ignition, % Max. 0.20
Residueon 45um screen, % Max. 0.10
Water soluble matter, % Max. 0.10
Volatile, % Max. 0.30