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Tungsten Powder

Grade W (%,min) Impurities (%,max )
Al As Bi Ca Mg Cd Co Cr Cu Fe
FW-1 99.9 0.001 0.0012 0.0001 0.002 0.001 0.0003 0.001 0.0015 0.0008 0.004
FW-2 99.8 0.0015 0.0015 0.0003 0.003 0.0015 0.0003 0.001 0.0015 0.001 0.008

Impurities (%,max )
K Na Mn Mo Ni P Pb Sb Si Sn Ti V C
0.002 0.002 0.0007 0.004 0.002 0.001 0.0001 0.0003 0.002 0.0001 0.0008 0.0008 0.005
0.003 0.003 0.001 0.01 0.004 0.002 0.0003 0.0005 0.004 0.0003 0.001 0.001 0.01

Divided into 14 grades according to Fsss.size
Grades Fsss.(µ) O2 ( %,max )
W-0 0.40~0.69 0.3
W-1 0.70~0.99 0.3
W-2 1.00~1.49 0.25
W-3 1.50~1.99 0.2
W-4 2.00~2.49 0.15
W-5 2.50~2.99 0.15
W-6 3.00~3.49 0.1
W-7 3.50~3.99 0.1
W-8 4.00~4.49 0.07
W-9 4.50~4.99 0.07
W-10 5.00~6.99 0.05
W-11 7.00~8.99 0.05
W-12 8.99~14.99 0.05
W-13 15.00~25.00 0.05

Packing:In iron drums lined with double plastic bags of 50 or 100 kgs net each.
Note:Any particular requirements to the products can be discussed.