8 um below Pure Copper Powder
| Product: | Superfine Copper Powder |
| Use: | Widely used in the metallurgical products of hard alloys, diamond tools,
welding electrodes and gritting materials, chemical catalysts and
conductive printing ink. |
| Property: | Rosy light red powder with the form of branches or slices. Its anti-oxidant is
good after special treatment, and it can be dissolved in hot sulphuric acid or
nitric acid. |
| Particle Size: | -200mesh,-300mesh,-400mesh(Copper Powder),≤8μm ( Super fine Cu powder) |
| Bulk Density: | 1.3 ~ 2.3 g/cc (Copper Powder),0.4 ~ 0.8 g/cc ( Super fine Cu powder) |
| Storage: | Should be stored in shady, cool and ventilated warehouse. Kept far away from fire, heat source and acid. No smoking in the workplace. Fire fighting equipment such as extinguisher should be available. Should be stored in vacuum encapsulation in case of being oxidized. |
| Attention in usage: | The powder is innoxious and no harmful to health. While using, please avoid dust cloud formation, keep clear of acid and keep away from fire in case of exploding. |
| Chemical Composition(wt.%) |
| Cu | ≥ 99.6 | O | ≤ 0.15 |
| Fe | ≤ 0.02 | S | ≤ 0.004 |
| Pb | ≤ 0.05 | Cl | ≤ 0.004 |
| As | ≤ 0.005 | H2O | ≤ 0.05 |
| Sb | ≤ 0.01 | Sn | ≤ 0.004 |
| Bi | ≤ 0.002 | Ni | ≤ 0.003 |
| AIC | ≤ 0.05 | Zn | ≤ 0.004 |
