The Popular Standard of Tungsten Trioxide of Chinatungsten Online
The Popular Standard of Tungsten Trioxide of Chinatungsten Online
Molecular Formula: WO3
Appearance: Light yellow crystallized powder
Apparent Density: 2.5-3/0g/cm3
Application: Mainly used as the raw material for cemented carbide tungsten powder. W-base alloy product, vacuum electronic device and electro-optical device and chemical industry as well.
Chemical Anlysis:
|
Grade |
W03-0 |
W03-1 |
W03-2 |
W03-Cr |
|
Purity Min. (%) |
99.98 |
99.95 |
99.90 |
N/A |
|
Impurity Content
Max. (%) |
Al |
0.0005 |
0.001 |
0.001 |
0.001 |
|
As |
0.001 |
0.001 |
0.002 |
0.002 |
|
Bi |
0.0001 |
0.0001 |
0.0005 |
0.0001 |
|
Ca |
0.001 |
0.001 |
0.003 |
N/A |
|
Co |
0.001 |
0.001 |
0.002 |
N/A |
|
Cr |
0.001 |
0.001 |
0.002 |
0.32~0.40 |
|
Cu |
0.0003 |
0.0005 |
0.001 |
0.001 |
|
Fe |
0.001 |
0.001 |
0.003 |
0.003 |
|
K |
0.001 |
0.0015 |
0.002 |
0.002 |
|
Mg |
0.0005 |
0.001 |
0.002 |
N/A |
|
Mn |
0.0005 |
0.001 |
0.001 |
0.001 |
|
Mo |
0.002 |
0.005 |
0.02 |
N/A |
|
Na |
0.001 |
0.0015 |
0.003 |
0.002 |
|
Ni |
0.0005 |
0.0007 |
0.001 |
0.001 |
|
P |
0.0005 |
0.001 |
0.003 |
0.003 |
|
Pb |
0.0001 |
0.0001 |
0.0005 |
0.0003 |
|
S |
0.0005 |
0.001 |
0.001 |
0.0001 |
|
Sb |
0.0005 |
0.001 |
0.002 |
0.0002 |
|
Si |
0.001 |
0.001 |
0.003 |
0.0002 |
|
Sn |
0.0001 |
0.0005 |
0.0005 |
0.0005 |
|
Ti |
0.001 |
0.001 |
0.002 |
N/A |
|
V |
0.001 |
0.001 |
0.002 |
N/A |
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