Indirect process Zinc Oxide, Direct Process Zinc Oxide, Calcined Zinc Oxide, Feed Grade Zinc Oxide, Pharmaceutic Zinc Oxide, etc
We can produce various kinds of nanoscale oxide,such the size as 80nm and 100 and so on.
- Direct Zinc Oxide 99.5% ~90%, etc.
- Indirect ZnO: 99.9%~99.7%, etc.
- Feed Grade ZnO: 75%~65%, etc.
- Calcined ZnO: 99.5%,
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.
Property: White powder, odourless, relative density 5.606, stable under normal temperature. Insoluble 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
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 |
