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Blue Tungsten Trioxide

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Appearance: Dark blue or bluish block crystallized powder.

Phase Composition: W20O58≥70%

Apparent Density: 2.2-2.9g/cm3

Application: Raw material for hydrogenolysis tungsten powder, used for producing doped tungsten powder, tungsten bar, tungsten rod, tungsten wire and W-base high density alloy.  

Grade and Chemical Composition:

GradeTBO-0TBO-1TBO-2
Purity Min.(%)99.9899.9599.90
Content of Other Chemical Element Max.(%)Al0.00050.0010.001
As0.0010.0010.002
Bi0.00010.00010.0005
Ca0.0010.0010.003
Co0.0010.0010.002
Cr0.0010.0010.001
Cu0.00030.00050.001
Fe0.0010.0010.003
K0.0010.00150.002
Mg0.00050.0010.002
Mn0.00050.0010.001
Mo0.0020.0050.02
Na0.0010.00150.003
Ni0.00050.00070.001
P0.00050.0010.003
Pb0.00010.00010.0005
S0.00050.0010.001
Sb0.00050.0010.002
Si0.0010.0010.003
Sn0.00010.00050.0005
Ti.00010.0010.002
V0.0010.0010.002

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