タングステン(W)粉
Tungsten Powder
規格(Specification)
W | 99.9% |
Fe | 0.030% |
Si | 0.005% |
Al | 0.003% |
Mn | 0.002% |
Ca | 0.003% |
Sn | 0.002% |
Cu | 0.002% |
Na | 0.020% |
S | 0.020% |
C | 0.010% |
粒度 (particle size) | 見かけ密度 (g/cm3) | 酸素(O) |
1~3μm | 3.3-4.2 | 0.25% |
3~5μm | 3.8-4.8 | 0.20% |
5~8μm | 4.2-5.2 | 0.20% |
8~15μm | 4.5-6.0 | 0.15% |
-60mesh | 8.0-8.9 | 0.05% |
-100mesh | 7.8-8.5 | 0.05% |
-200mesh | 7.3-8.0 | 0.05% |