Appearance: Tungsten powder is dark grey
Packing: In iron drums with inside plastic bags of 100kg or 200kg net each.
Application:FW-1 used for tungsten carbide powder,large tungsten slab or other tungsten products,FW-2 used for tungsten contact alloys, high-density shielding materials.

Grade

Grade	Fsss(um)	Scott Density (g/cm3)	Oxygen content(%)
06	0.6-0.8	1.4-2.2	0.5
08	0.81-1.0	1.7-2.5	0.4
10	1.01-1.5	2.0-2.8	0.3
15	1.51-2.0	2.2-3.0	0.3
20	2.01-3.0	2.6-3.5	0.25
30	3.01-4.0	3.2-4.2	0.25
40	4.01-5.5	3.8-4.8	0.25
55	5.51-7.0	4.0-5.2	0.2
70	7.01-15.0	4.2-5.5	0.2
150	>15.0	4.5-6.5	0.1

Chemical Composition (%)

Grade		FW-1	FW-2
Impurities (%)max.	W	≥99.95	≥99.9
	Fe	0.0050	0.0300
	Si	0.0020	0.0050
	Ca	0.0020	0.0040
	Al	0.0010	0.0040
	Mn	0.0010	0.0020
	Mg	0.0010	0.0040
	Ni	0.0030	0.0040
	Sb	0.0010	0.0010
	Cr	0.0010	0.0040
	As	0.0010	0.0020
	Pb	0.0001	0.0005
	Bi	0.0001	0.0005
	Sn	0.0003	0.0005
	Cu	0.0007	0.0010
	Mo	0.0050	0.0100
	K	0.0015	0.0015
	Na	0.0015	0.0015
	S	0.0010	0.0020
	P	0.0010	0.0040
	C	0.0050	0.0100