The Popular Standard of Blue Tungsten Oxide of Chinatungsten Online
The Popular Standard of Blue Tungsten Oxide of Chinatungsten Online
Appearance: Dark blue or bluish block crystallized powder
Phase Composition: W20O58≥70%
Apparent Density: 2.2~2.9g/cm3
Application: Raw material for hydrogen anlysis tungsten powder, used for producing doped tungsten powder, tungsten bar, tungsten rod, tungsten wire and W-base high density alloy.
Grade and Chemical Composition:
|
Grade |
TBO-0 |
TBO-1 |
TBO-2 |
|
Purity Min. (%) |
99.98 |
99.95 |
99.90 |
|
Content of Other Chemical
Element Max. (%) |
Al |
0.0005 |
0.001 |
0.001 |
|
As |
0.001 |
0.001 |
0.002 |
|
Bi |
0.0001 |
0.0001 |
0.0005 |
|
Ca |
0.001 |
0.001 |
0.003 |
|
Co |
0.001 |
0.001 |
0.002 |
|
Cr |
0.001 |
0.001 |
0.001 |
|
Cu |
0.0003 |
0.0005 |
0.001 |
|
Fe |
0.001 |
0.001 |
0.003 |
|
K |
0.001 |
0.0015 |
0.002 |
|
Mg |
0.0005 |
0.001 |
0.002 |
|
Mn |
0.0005 |
0.001 |
0.001 |
|
Mo |
0.002 |
0.005 |
0.02 |
|
Na |
0.001 |
0.0015 |
0.003 |
|
Ni |
0.0005 |
0.0007 |
0.001 |
|
P |
0.0005 |
0.001 |
0.003 |
|
Pb |
0.0001 |
0.0001 |
0.0005 |
|
S |
0.0005 |
0.001 |
0.001 |
|
Sb |
0.0005 |
0.001 |
0.002 |
|
Si |
0.001 |
0.001 |
0.003 |
|
Sn |
0.0001 |
0.0005 |
0.0005 |
|
Ti |
0.001 |
0.001 |
0.002 |
|
V |
0.001 |
0.001 |
0.002 |
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