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Tungsten Powder
Appearance: Tungsten powder is dark grey, spraying tungsten powder is bright grey.
Application: For large W plate, W-Re thermocouple, contact alloy etc.
Specifications:
Grade |
Main Composition
Min. W (%) |
Oxygen Content
(%) |
Particle Size Specs
(μ m) |
FW-1 |
≥99.9 |
≤0.20 |
Negotiated by
Both Sides |
FW-2 |
≤0.25 |
FWP-1 |
≤0.20 |
Impurity Content:
Grade |
FW-1 |
FW-2 |
FWP-1 |
Impurity Content
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 |
|
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Cr |
0.001 |
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Ti |
0.001 |
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V |
0.001 |
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