◆ Blue Tungsten
Oxide
Molecular Formula：W20O58
Appearance: Dark blue or bluish black crystallized powder
Sieve Size: 250um(-60mesh)
Application: Raw material for hydrogenolysis tungsten powder Used
for producing doped tungsten powder, tungsten bar, tungsten rod,
tungsten wire and W-base high density alloy
Grade |
TBo-1 |
TBo-2 |
Purity Min.(%) |
99.98 |
99.95 |
Content of other Chemical,Element Max.(%) |
Al |
0.0005 |
0.0005 |
As |
0.001 |
0.001 |
Bi |
0.0001 |
0.0001 |
Ca |
0.001 |
0.001 |
Co |
0.001 |
0.001 |
Cr |
0.001 |
0.001 |
Cu |
0.0005 |
0.0005 |
Fe |
0.001 |
0.001 |
K |
0.001 |
0.0015 |
Mg |
0.0005 |
0.001 |
Mn |
0.0005 |
0.0005 |
Mo |
0.002 |
0.005 |
Na |
0.001 |
0.0015 |
Ni |
0.0005 |
0.0005 |
P |
0.0007 |
0.001 |
Pb |
0.0001 |
0.0001 |
S |
0.0007 |
0.0005 |
Sb |
0.001 |
0.001 |
Si |
0.001 |
0.001 |
Sn |
0.0001 |
0.0003 |
Ti |
0.001 |
0.001 |
V |
0.001 |
0.001 |
|
