1. Appearance: Tungsten powder is dark grey
2. Application: These products are widely applied to making refractory steel, compound materials for automobile founding, guns, artillery, rokets, satelliter, aeroplane, warship and armour-piecing bullet.
3. Packing: In iron drum lined with double plastic bags of 100/200kgs net each.
4. Delivery Detail: Within 15-30days after receipt of advance payment or L/C original.
2. Application: These products are widely applied to making refractory steel, compound materials for automobile founding, guns, artillery, rokets, satelliter, aeroplane, warship and armour-piecing bullet.
3. Packing: In iron drum lined with double plastic bags of 100/200kgs net each.
4. Delivery Detail: Within 15-30days after receipt of advance payment or L/C original.
| Grade | FW-1 | FW-2 | |
|
Impurities (%)max. |
W | ≥ 99.95 | ≥ 99.9 |
| Fe | 0.0050 | 0.0300 | |
| Si | 0.0020 | 0.0050 | |
| Ca | 0.0020 | 0.0040 | |
| Al | 0.0010 | 0.0040 | |
| Mn | 0.0010 | 0.0020 | |
| Mg | 0.0010 | 0.0040 | |
| Ni | 0.0030 | 0.0040 | |
| Sb | 0.0010 | 0.0010 | |
| Cr | 0.0010 | 0.0040 | |
| As | 0.0010 | 0.0020 | |
| Pb | 0.0001 | 0.0005 | |
| Bi | 0.0001 | 0.0005 | |
| Sn | 0.0003 | 0.0005 | |
| Cu | 0.0007 | 0.0010 | |
| Mo | 0.0050 | 0.0100 | |
| K | 0.0015 | 0.0015 | |
| Na | 0.0015 | 0.0015 | |
| S | 0.0010 | 0.0020 | |
| P | 0.0010 | 0.0040 | |
| C | 0.0050 | 0.0100 | |

