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Grade: FW-1, FW-2
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Tungsten Content: FW-1 W≥99.95% FW-1 W≥99.9% (Calculated by the subtractive method)
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Appearance: Dark grey Powder
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Specifications: |
Type |
10 |
15 |
20 |
30 |
40 |
55 |
70 |
15 |
Fsss μm |
1.01-1.5 |
1.51-2.0 |
2.01-3.0 |
3.01-4.0 |
4.01-5.5 |
5.51-7.0 |
7.01-15 |
15.1-20 |
Oxygen Content, max % |
0.3 |
0.3 |
0.25 |
0.25 |
0.25 |
0.2 |
0.2 |
0.1 |
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Impurity Content: |
Grade |
Impurity Content,%max |
Pb |
Bi |
Sn |
Sb |
As |
Mn |
Mo |
Fe |
Al |
FW-1 |
0.0001 |
0.0001 |
0.0003 |
0.0005 |
0.002 |
0.001 |
0.005 |
0.005 |
0.001 |
FW-2 |
0.001 |
0.001 |
0.001 |
0.001 |
0.002 |
0.001 |
0.010 |
0.030 |
0.002 |
FWP-3 |
0.001 |
0.001 |
0.001 |
0.001 |
0.002 |
0.001 |
0.010 |
0.030 |
0.005 |
Grade |
Impurity Content,%max |
Ni |
Mg |
Cu |
Ca |
Si |
Na |
K |
P |
C |
FW-1 |
0.002 |
0.001 |
0.0007 |
0.002 |
0.002 |
0.002 |
0.001 |
0.001 |
0.005 |
FW-2 |
0.004 |
0.002 |
0.001 |
0.004 |
0.005 |
0.003 |
0.001 |
0.003 |
0.008 |
FWP-3 |
0.004 |
0.002 |
0.001 |
0.004 |
0.005 |
0.003 |
0.002 |
0.003 |
0.010 |
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