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Tungsten Trioxide

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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-base alloy product, vacuum electronic device and electro-optical device and chemical industry as well.  

Grade and Chemical Composition:

GradeWO3-0WO3-1WO3-2WO3-Cr
Purity Min.(%)99.9899.9599.90 
Content of Other Chemical Element Max.(%)Al0.00050.0010.0010.001
As0.0010.0010.0020.002
Bi0.00010.00010.00050.0001
Ca0.0010.0010.003/
Co0.0010.0010.002/
Cr0.0010.0010.0010.32-0.40
Cu0.00030.00050.0010.001
Fe0.0010.0010.0030.003
K0.0010.00150.0020.002
Mg0.00050.0010.002/
Mn0.00050.0010.0010.001
Mo0.0020.0050.02/
Na0.0010.00150.0030.002
Ni0.00050.00070.0010.001
P0.00050.0010.0030.003
Pb0.00010.00010.00050.0003
S0.00050.0010.0010.0001
Sb0.00050.0010.0020.0002
Si0.0010.0010.0030.0002
Sn0.00010.00050.00050.0005
Ti.00010.0010.002/
V0.0010.0010.002/

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