鎢粉
鎢粉外觀: 鎢粉呈深灰色,噴塗用鎢粉呈亮灰色。
鎢粉應用: 鎢粉用於大型板坯、鎢錸熱電偶原料、觸頭合金等。
鎢粉的產品規格:
| 鎢粉等級 | 主要成分Min. W (%) | 氧含量(%) | 粒子尺寸規格(μ m) |
| FW-1 | ≥99.9 | ≤0.20 | 雙方面談 |
| FW-2 | ≤0.25 | ||
| FWP-1 | ≤0.20 |
鎢粉雜質含量:
| 鎢粉等級 | FW-1 | FW-2 | FWP-1 | |
| 鎢粉雜質含量 Max. (%) | Pb | 0.0001 | 0.001 | 0.001 |
| Bi | 0.0001 | 0.001 | 0.001 | |
| Sn | 0.0001 | 0.001 | 0.001 | |
| Sb | 0.001 | 0.001 | 0.001 | |
| As | 0.002 | 0.002 | 0.002 | |
| Fe | 0.005 | 0.020 | 0.030 | |
| Ni | 0.002 | 0.005 | 0.005 | |
| Cu | 0.001 | 0.003 | ||
| Al | 0.001 | 0.003 | 0.005 | |
| Si | 0.002 | 0.010 | 0.010 | |
| Ca | 0.001 | 0.005 | 0.005 | |
| Mg | 0.001 | 0.005 | 0.005 | |
| Mo | 0.005 | 0.020 | 0.020 | |
| P | 0.001 | 0.005 | 0.005 | |
| C | 0.005 | 0.008 | 0.010 | |
| K | 0.015 | 0.002 | ||
| Na | 0.015 | 0.002 | ||
| Co | 0.001 | |||
| Cr | 0.001 | |||
| Ti | 0.001 | |||
| V | 0.001 | |||





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