Zinc powder
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Superfine zinc powder is mainly used as key raw material in zinc-rich coating,etc.
Zinc powder:
1. Properties
Chemical name:metal zinc
Molecular formula:Zn
Molecular weight:65.38
Appearance: light gray spherical powder
Density:7.14g/cm3
2. Chemical properties
Insoluble in water, soluble in acid and alkali. It is a kind of strong reducer, easy to react with acid & alkali, and give out hydrogen at the same time. It will become block in wet air
3. Uses
material of paint, coating and chemicals, reductant of organic synthesis, or used in metallurgy, pesticide, dye and drugs.
Standard Specification
| Specification mesh | Chemical ingredients % | Size | Residue on sieve % | |||||
| Total zinc | Metal zinc | Pb | Fe | Cd | D(v0 .5)um | Max um | ||
| 1000 | ≥99 | ≥96 | ≤0.05 | ≤0.05 | ≤0.10 | 2.0-3.5 | 12 | 0.01 |
| 800 | ≥99 | ≥96 | ≤0.15 | ≤0.05 | ≤0.10 | 3.2-4.5 | 17 | 0.01 |
| 500 | ≥99 | ≥96 | ≤0.15 | ≤0.05 | ≤0.10 | 3.5-6.0 | 25 | 0.02 |
| 325 | ≥99 | ≥96 | ≤0.20 | ≤0.05 | ≤0.10 | 6.0-9.0 | 45 | 0.05 |
Special specification
| specification mesh | Chemical ingredients % | Size | Residue on sieve% | |||||
| Total zinc | Metal zinc | Pb | Fe | Cd | D(v0 .5)μm | Max μm | ||
| 800 | ≥99 | ≥96 | ≤0.005 | ≤0.003 | ≤0.002 | 3.2-4.5 | 17 | 0.01 |
| 500 | ≥99 | ≥96 | ≤0.005 | ≤0.003 | ≤0.002 | 3.5-6.0 | 25 | 0.02 |
| 325 | ≥99 | ≥96 | ≤0.005 | ≤0.003 | ≤0.002 | 6.0-9.0 | 45 | 0.05 |
| According to your demands, we also offer 80mesh, 120mesh, 200mesh, 400mesh, and so on. | ||||||||
