Tungsten Trioxide

Tungsten Trioxide

Tungsten(VI) oxide, also known as tungsten trioxide or tungstic anhydride, WO3, is a chemical compound containing oxygen and the transition metal tungsten.

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Grade classification

Blue Tungsten Trioxide

Grade BTO-0 BTO-1
WO2.8-2.97(%min) 99.95 99.95
Impurities(%max) Al 0.0005 0.001
Fe 0.001 0.001
S 0.0007 0.001
As 0.001 0.001
P 0.0007 0.001
Mo 0.002 0.005
Ca 0.001 0.001
Mg 0.0007 0.001
K 0.001 0.0015
Na 0.001 0.0015
Si 0.001 0.001
Cu 0.0003 0.0005
Mn 0.001 0.001
Ni 0.0007 0.001
Pb 0.0001 0.0001
Bi 0.0001 0.0001
Sn 0.0003 0.0005
Sb 0.0008 0.001
V 0.001 0.001
Ti 0.001 0.001
Cr 0.001 0.001
Co 0.001 0.001

 

◆FSSS:10—20um
◆ Scott Density: 2.0-2.6g/cm3
◆ L.O.I.: 0.5%max
◆ Appearance:Free flowing dark blue crystalline powder.
◆ Packing:In iron drums with inside plastic bags of 100kg or 200kg net each.
◆ Remarks:Any special requirement to the products can be discussed.

Yellow Tungsten Trioxide

Grade YTO-0 YTO-1
WO3(%min) 99.95 99.95
Impurities(%max) Al 0.0005 0.001
Fe 0.001 0.001
S 0.0007 0.001
As 0.001 0.001
P 0.0007 0.001
Mo 0.002 0.005
Ca 0.001 0.001
Mg 0.0007 0.001
K 0.001 0.0015
Na 0.001 0.0015
Si 0.001 0.001
Cu 0.0003 0.0005
Mn 0.001 0.001
Ni 0.0007 0.001
Pb 0.0001 0.0001
Bi 0.0001 0.0001
Sn 0.0003 0.0005
Sb 0.0008 0.001
V 0.001 0.001
Ti 0.001 0.001
Cr 0.001 0.001
Co 0.001 0.001

 

◆ Fsss: 10-20um
◆ Scott Density: 2.0-2.6g/cm³
◆ L.O.I.: 0.5%max
◆ Appearance: Free flowing light yellow crystalline powder.
◆ Packing: In iron drum with inside plastic bags of 100kg or200kg net each.
◆Remarks: Any special requirement to the specifications can be discussed.