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 |