Zinc Oxide is used in rubber, dope cable, porcelain enamel, oil, pottery and porcelain, glass and other chemical industry.
Zinc Oxide Grades: Indirect process Zinc Oxide, Direct Process Zinc Oxide, Calcined Zinc Oxide, Feed Grade Zinc Oxide, Pharmaceutic Zinc Oxide, nanometer Zinc Oxide, etc.
Specification:
Item/Parameter | ||||
Zinc Oxide% ≥ | ZnO feed grade | ZnO 99.5% | ZnO 99.7% | ZnO99.9% |
Metallic Zinc (in accordance with Zn) % | 0.01 | None | None | None |
Lead Oxide(Pbo)%≤ | 0.05 | 0.05 | 0.037 | 0.001 |
Cadmium Oxide(Cdo)% ≤ | ----- | ----- | ----- | 0.0005 |
Cupric Oxide(Cuo)% ≤ | 0.0004 | 0.0004 | 0.0002 | 0.0002 |
As | ----- | ----- | ----- | 0.0005 |
Manganese(Mn)% ≤ | 0.0258 | 0.0001 | 0.0001 | ----- |
Ferro Oxide(FeO)% ≤ | ----- | 0.001 | ----- | |
Muriatic Acid Insoluble Substance%≤ | 0.01 | 0.008 | 0.006 | 0.004 |
Loss on Ignition%≤ | 0.2 | 0.2 | 0.2 | ----- |
Water Insoluble substance%≤ | 0.2 | 0.2 | 0.1 | ----- |
Volatile105% | 0.5 | 0.4 | 0.3 | 0.3 |
Sieve Residue(45um mesh)% | 0.1 | 0.1 | 0.1 | 0.1 |
Surface Area≥ | 40 | 45 | 50 | 60 |
Zinc Oxide manufactory
