Sell blue tungsten oxide @Afghanistan

Product Description
Blue Tungsten Oxide (WO2.90), Dark blue or bluish black crystallized powder, molecular formula W20O58 or WO2.90, apparent density 2.2-2.9g/cm3, is raw material for hydrogenolysis tungsten powder nad tungsten carbide

Product Specification/Models
Blue Tungsten Oxide(WO3)
Purity 99.90%, 99.95%, 99.98%
W20O58 70%min
Impurities PCT Max Each
Grade TBO-0
Purity 99.98%
Mo 0.02, As/Ca/Co/Cr/Fe/K/Na/Si/V 0.001, Cu 0.0003
Al/Mg/Mn/Ni/P/S 0.0005, Bi/Pb/Sn/Ti 0.0001
Grade TBO-1
Purity 99.95%
Al/As/Ca/Co/Cr/Fe/Mg/Mn/Sb/Si/Ti/ P/S/V 0.001
K/Na, 0.0015, Bi 0.0001, Cu/Sn 0.0005, Ni 0.0007
Grade TBO-2
Purity 99.90%
Al/Cr/Cu/Mn/S 0.001, As/Co/Mg/Mo/Sb/Ti/K/V 0.002
Ca/Fe/Na/Si 0.003, Bi/Pb/Sn 0.0005
Ignition Loss 0.20% max
Size 250um(-60mesh)

Application
used for production doped tungsten powder, tungsten bar, rod, wire and w-base high density alloy.