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tungsten powder and tungsten crucible
Tungsten powder:
1) Purity: W>=99.5%
2) Granularity and Oxygen content:
Granularity(um) <=2 2-3 3-6
Oxygen content
(% not above) 0.4 0.25 0.2
3) Impurity Content: All the impurity cannot reach 1%, including Fe, Cu, Ni, Ca, Si, Al, etc.
4) Ap ...
Price: 1.00 USD
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