鎢粉Tungsten powder
鎢粉/Tungsten Powder
Tungsten Powder:
◆ Grade :
1.FW-1: W≥99.95%
2.FW-2: W≥99.9%
◆ impurity elements : ◆ Specification:
Grade
|
FW-1
|
FW-2
|
|
Impurity
(%max) |
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
|
Type
|
Average size
(um) |
Apparent density
(g/cm3)
|
Oxygen (%)max
|
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
|
Packing: In iron drums with inner airtight plastic bags of 50/100/200kgs net each.
鎢產品
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