Tungsten powder
release time: 2020-08-24Views：
The impurity content meets the GB/T3458-2006 standard
| Grade | FW-1 | FW-2 | Grade | FW-1 | FW-2 | ||
| Impurity content is not more than% | Fe | granularity＜10um：0.0050 | 0.03 | Impurity content is not more than% | Ca | 0.002 | 0.004 |
| granularity≥10um：0.010 | |||||||
| Pb | 0.0001 | 0.0005 | Mg | 0.001 | 0.004 | ||
| C | 0.005 | 0.01 | Mn | 0.001 | 0.002 | ||
| Bi | 0.0001 | 0.0005 | P | 0.001 | 0.004 | ||
| Sb | 0.001 | 0.001 | Al | 0.001 | 0.004 | ||
| As | 0.0015 | 0.002 | Cu | 0.0007 | 0.001 | ||
| Sn | 0.0003 | 0.0005 | Mo | 0.005 | 0.01 | ||
| Ni | 0.003 | 0.004 | Si | 0.002 | 0.005 | ||
| K+Na | 0.003 | 0.003 | O | 0.10~0.30 | |||
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