Wholesale OEM/ODM Ferro Silicon/ferrosilicon/fesi Powder With Low
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Tungsten powder
Chemical compositions:
| Impurities (%) | FW-1 | FW-2 |
| W contents (%) ≥ 99.95% | ||
| Al | 0.001 | 0.002 |
| Fe | 0.005 | 0.003 |
| Mo | 0.005 | 0.001 |
| Mn | 0.001 | 0.001 |
| As | 0.002 | 0.002 |
| Sb | 0.0005 | 0.001 |
| Sn | 0.0003 | 0.001 |
| Bi | 0.0001 | 0.001 |
| Pb | 0.0001 | 0.001 |
| Ni | 0.002 | 0.004 |
| Mg | 0.001 | 0.002 |
| Cu | 0.0007 | 0.001 |
| Ca | 0.002 | 0.004 |
| Si | 0.002 | 0.005 |
| Na | 0.002 | 0.003 |
| K | 0.001 | 0.001 |
| P | 0.001 | 0.003 |
| C | 0.005 | 0.008 |
Product specifications:
| Model | 10 | 15 | 20 | 30 | 40 | 55 | 70 | 80 |
| Fischer particle size（μm） | 1.01-1.5 | 1.51-2.0 | 2.01-3.0 | 3.01-4.0 | 4.01-5.5 | 5.51-7.0 | 7.01-15 | 15.01-20 |
| Oxygen content, not greater than (%) | 0.3 | 0.3 | 0.25 | 0.25 | 0.25 | 0.2 | 0.2 | 0.1 |
Status: dark gray powder.
Package: Put the product into an iron drum lined with plastic bags, the net weight of each drum is 100kg or 50kg, and it is sealed tightly.
