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.

Product Name	Tungsten Trioxide
Fsss range	10~20μm(fine), 1~2μm(superfine), 50~100nm
Scott Density	2.0-2.6g/cm3
L.O.I.	0.5%max
Appearance	Free flowing dark blue or yellow crystalline powder.
Packing	In iron drums with inside plastic bags of 100kg or 200kg net each.

Applications

Electronics industry, Ceramic painting, producing tungsten powder/WC powder, new material etc.

Yellow Tungsten Oxide (YTO)

Blue Tungsten Oxide (BTO)

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Grade Properties

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

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