tungsten powder
tungsten
1.Molecular Formula:FW
2.Appearance: Tungsten powder is dark grey.Spaying tungsten powder bright grey
3.Application: mostly used as material for production of Tungsten plate, bar and Cemented carbide products

Oxygen Content
Grade Oxygen Content（%）
FW-1 ≤0.20
FW-2 ≤0.25
FWP-1 ≤0.20
Chemical Composition
Grade FW-1 FW-2 FWP-1
Main Comp W Min. (%) 99.95 99.9 99.9
Impurities
Max.（%） Pb 0.001 0.001 0.001
Bi 1E-04 0.001 0.001
Sn 1E-04 0.001 0.001
Sb 0.001 0.001 0.001
As 0.002 0.002 0.002
Fe 0.005 0.02 0.03
Ni 0.003 0.005 0.005
Cu 0.001 0.005 /
Al 0.001 0.003 0.005
Si 0.003 0.08 0.01
Ca 0.002 0.005 0.005
Mg 0.002 0.005 0.005
Mo 0.008 0.02 0.02
P 0.001 0.005 0.005
C 0.005 0.008 0.01
K 0.002 0.005 /
Na 0.002 0.005 /
Notes:
1).Normal size range: 1-20um, if with super fine or coarse grain size, then contact us in details.
2).Please make it clear as you order about: BET or F.S.S.S, Oxygen and trace element content.
3).Packing:In steel drum with two layer ploythene bags
4).Net weight per drum:50kg,100kg,200kg