Weizhou International Co., Ltd
P. O. Box 1394 Kaohsiung
Tel : 886-7-7169249 Fax : 886-7-2134620
e-mail : minerals@weizhou.com.tw
http://www.weizhou.com.tw/Minerial/Tungstenpowder/e-tungstenpowder99.9.htm
Tungsten powder
Tungsten powder 99.9%
CAS: 7440-33-7
M.F.: W
Appearance: dark grey powder
Physical:
|
particle size(μm) |
Loose density(g/cm3) |
|
2.5-3.5 |
2.85-3.35 |
Chemicals composition:
|
W |
99.9% min |
|
O |
0.05% max |
|
Fe |
0.0050% max |
|
Si |
0.0020% max |
|
Ca |
0.0020% max |
|
Al |
0.0010% max |
|
Mn |
0.0010% max |
|
Mg |
0.0010% max |
|
Ni |
0.0020% max |
|
As |
0.0015% max |
|
Pb |
0.0003% max |
|
Na |
0.0015% max |
Application: used in the tungsten products, magnetic materials, hard alloy, diamond tools, alloy additive, etc
Packing: in 25kg iron drum with double plastic bags inner, on wooden pallet.
Storage: keep in closed dry room, avoid spillage, sparks or other source of ignition.
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