Product Specification/Models
Tungsten Trioxide(WO3)
Purity 99.90%, 99.95%, 99.98%
Impurities PCT Max Each
Grade WO3-0 
Purity 99.98%
Al/As/Cr/Sb/Cu/Mn/Ti/V 0.001, Mo 0.010, Sb 0.0015
Ca/Fe/K/Mg/Na/Si/Co 0.002, Bi/Pb 0.0001, Ni/S/Sn 0.0005
Grade WO3-1 
Purity 99.95%
As/Ca/Co/Cr/Fe/Mg/P/Sb/Si/Ti/V 0.001, Sn 0.0003
K/Na 0.0015, Bi/Pb 0.0001, Al/Cu/Mn/Ni/S 0.0005
Grade WO3-1 
Purity 99.90%
As/Ca/Co/Cr/Fe/K/Na/Sb/Si/Ti/V 0.001, Mo 0.01
Bi/Pb/Sn 0.0001, Al/Cu/Mg/Mn/Ni/P/S 0.0005
Size 250um(-60mesh)