1 Quick detail:
MF: W MW: 183.85 CAS: 7440-33-7 H.S.Code: 8101100090
EINECS: 231-143-9 Place of region: China
2 Properties: dark gray powder, irregular fine particles, insoluble in water.
3 Physical:
|
· Particle size (micron)
|
Loose density(g/cm3)
|
Oxygen (%)
|
|
3.0-5.0
|
3.2-4.8
|
0.25
|
4 Chemical Compositions (%):
|
W
|
99.9min
|
|
Fe
|
0.03max
|
|
Si
|
0.005max
|
|
Ca
|
0.004max
|
|
Al
|
0.004max
|
|
Mn
|
0.002max
|
|
Mg
|
0.004max
|
|
Ni
|
0.004max
|
|
As
|
0.002max
|
|
Pb
|
0.0005max
|
|
Sb
|
0.001max
|
|
Cr
|
0.004max
|
5 Applications: Used for large slab, Tungsten rhenium thermocouple raw materials, contactalloy.etc.
6 Packaging: In 25kg, 50kg iron drums with double plastic bags inner, on wooden pallet.
7 Storage: Keep in closed dry room; avoid spillage, sparks or other source of ignition.