Complaint
Molecular Formula: ZnO
Molecular Weight: 81.39
Producing Method:Indirection
1, Capability :White powder,proportion 5.606,melting point 1975ºC
2, Use:Widely used in rubber,medical,dope,printing and dyeing,magnetic material,ceramic,feedstuff,high power battery etc.
3, Packaging(outside):25KGS Woven bag with inner plastic bag.
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 | -- | -- |
