Trademark ：FW-1
Formula ：FW
Appearance ：Dark gray tungsten powder, light gray tungsten powder for spraying.
Applicati*** : Used for large slabs, rhenium tungsten thermocouple material, and contact alloys.
Packing : Iron drum lined with double polyethylene bags.
Net weigh t: 100kg or 200kg per drum.
Physical properties
|
Model
|
***erage size(um)
|
Bulk density(g/cm3)
|
Oxygen content not more than (%)
|
|
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
|
Component Analysis (%)
|
Main contents W：≥99.95 |
||||||
|
Contents of other elements≤
|
Fe
|
＜0.0050
|
Si
|
＜0.0020
|
Ca
|
＜0.0020
|
|
Al
|
＜0.0010
|
Mn
|
＜0.0010
|
Mg
|
＜0.0010
|
|
|
Ni
|
＜0.0030
|
Sb
|
＜0.0010
|
Cr
|
＜0.0010
|
|
|
As
|
＜0.0010
|
Pb
|
＜0.0001
|
Bi
|
＜0.0001
|
|
|
Sn
|
＜0.0003
|
Cu
|
＜0.0007
|
Mo
|
＜0.0050
|
|
|
K
|
＜0.0015
|
Na
|
＜0.0015
|
S
|
＜0.0010
|
|
|
P
|
＜0.0010
|
C
|
＜0.0050
|
-
|
-
|
|