Specialty supply ZINC OXIDE
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.
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Property: White powder, odourless, relative density 5.606, stable under normal temperature. Insolubl
in water and alcohol, soluble in acid, alkaki and amkonium solution.
Usage: Used in rubber, dope cable, porcelain enamel, oil, pottery and porcelain, glass and other chemical
industry.
Packing: In polyethylene film bag with outer polypropylene woven bag, 25kg, 50kg, big sack bag or as
required by the customer
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Indirect process zinc oxide quality meet standard of GB/T3494-1996
| Item/Parameter | Standard | ||||
| Zinc Oxide % ≥ | ZnO 99% | ZnO 99.5% | ZnO 99.7% | ZnO 99.8% | ZnO 99.9% |
| Metallic Zinc (in accordance with Zn) % | 0.01 | None | None | None | None |
| Lead oxide (PbO)%≤ | 0.05 | 0.05 | 0.037 | 0.001 | 0.001 |
| Cadmium oxide (CdO) % ≤ | -- | -- | -- | 0.0005 | 0.0005 |
| Cupric oxide (CuO) % ≤ | 0.0004 | 0.0004 | 0.0002 | 0.0002 | 0.0002 |
| As ≤ | -- | -- | -- | 0.0005 | 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 | 0.004 |
| Loss On Ignition % ≤ | 0.2 | 0.2 | 0.2 | -- | -- |
| Water Insoluble Substance % ≤ | 0.2 | 0.2 | 0.1 | -- | -- |
| Volatile 105°C % ≤ | 0.5 | 0.4 | 0.3 | 0.3 | 0.3 |
| Sieve Residue (45um mesh ) % ≤ | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 |
| Surface Area % ≥ | 40 | 45 | 50 | 60 | 60 |
| Oil Absorption g/100g ≤ | -- | -- | 14 | -- | -- |
| Reducing Power (compared with standard sample) % ≥ | -- | -- | 100 | -- | -- |
Direct process zinc oxide quality meet standard of GB/T3494-1996
| Item/Parameter | Standard | ||||
| Zinc Oxide (in accordance with dry materials) % ≥ |  ZnO 99.5% | ZnO 99% | ZnO 98% | ZnO 95% | ZnO 90% |
| Lead oxide (PbO)% ≤ | 0.12 | 0.2 | 1.0 | 3.0 | 4.0 |
| Cadmium oxide (CdO) % ≤ | 0.02 | 0.05 | -- | -- | -- |
| Cupric oxide (CuO) % ≤ | 0.006 | -- | -- | -- | -- |
| Manganese (Mn) % ≤ | 0.0002 | -- | -- | -- | -- |
| Metallic Zinc (in accordance with Zn) % | None | None | -- | -- | -- |
| Muriatic Acid Insoluble Substance % ≤ | 0.03 | 0.04 | 0.5 | 0.7 | 2.0 |
| Loss On Ignition % ≤ | 0.4 | 0.6 | 0.7 | 1.0 | 5.0 |
| Water Soluble Substance % ≤ | 0.4 | 0.6 | 0.7 | 1.0 | 3.0 |
| Sieve Residue (45um mesh ) % ≤ | 0.28 | 0.32 | 0.5 | 0.5 | 0.5 |
| Volatile % ≤ | 0.4 | 0.4 | 0.5 | 0.5 | 0.5 |
| (We cannot list all grade specification of Zinc Oxide in here due to no enough space, pls feel free to contact us if you are interested in our products or need other grade Zinc Oxide .) | |||||
| Â Our Advantage: Top grade quality with mature production technologyLocated in Guangxi Provience, which is rich mineral resources especially ZINC. | |||||
  
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