| ≥1 piece |
| Item/Parameter | Standard | |||
| Zinc Oxide % ≥ | ZnO 99.5% | ZnO 99.7% | ZnO 99.8% | ZnO 99.9% |
| Metallic Zinc (in accordance with Zn) % | None | None | None | None |
| Lead oxide (PbO)%≤ | 0.05 | 0.037 | 0.001 | 0.001 |
| Cadmium oxide (CdO) % ≤ | | | 0.0005 | 0.0005 |
| Cupric oxide (CuO) % ≤ | 0.0004 | 0.0002 | 0.0002 | 0.0002 |
| As ≤ | | | 0.0005 | 0.0005 |
| Manganese (Mn) % ≤ | 0.0001 | 0.0001 | | |
| Ferro Oxide (FeO) % ≤ | | 0.001 | | |
| Muriatic Acid Insoluble Substance % ≤ | 0.008 | 0.006 | 0.004 | 0.004 |
| Loss On Ignition % ≤ | 0.2 | 0.2 | | |
| Water Insoluble Substance % ≤ | 0.2 | 0.1 | | |
| Volatile 105°C % ≤ | 0.4 | 0.3 | 0.3 | 0.3 |
| Sieve Residue (45um mesh ) % ≤ | 0.1 | 0.1 | 0.1 | 0.1 |
| Surface Area % ≥ | 45 | 50 | 60 | 60 |
| Oil Absorption g/100g ≤ | | 14 | | |
| Reducing Power (compared with standard sample) % ≥ | | 100 | | |
25kg or 50kg/pp bag or as your requirements
1.Used as white dyestuff and used in printing & dyeing , paper, match and medicine industry.
2.Used in rubber industry as vulcanization activator, reinforecement agent and coloring agent of natural 3.rubber, synthetic rubber and latex.
4.Used in the processing of zinc chrome yellow, zinc acetate, zinc carbonate, zinc chloride, etc.
5.Used for making electron laser materials, flurescent powder, forage additives, catalysts, magnetic materials.
We can do our best to provide service for you,and let the customers not be worrying about the quality and delivery.