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???? A1 A2
WO3 ????? (? ?????) 99.95 99.9
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I????? ???????
(%??????)
Al
 0.0005 0.0010
As 0.0010 0.0150
Bi 0.0001 0.0010
Ca 0.0010 0.0060
Cd 0.0010 0.0010
Cr 0.0010 0.0010
Co 0.0010 0.0010
Cu 0.0003 0.0010
Fe 0.0010 0.0040
K 0.0010 0.0010
Mg 0.0007 0.0010
Mn 0.0010 0.0010
Mo 0.0020 0.1000
Na 0.0010 0.0050
Ni 0.0007 0.0010
P 0.0007 0.0050
Pb 0.00001 0.0010
S 0.0007 0.0050
Sb 0.0005 0.0010
Si 0.0010 0.0060
Sn 0.0002 0.0010
Ti 0.0010 0.0010
V 0.0010 0.0010
????? 2.4-3.0g/cm3 0.6-1.0g/cm3
F.S.S.S 12-20um 0.6-1.8um

???? ????: ?? ???? ??? ?? ?? ???? ??? ???????? ????? ?? 50 ??????? ? ?? 100kgs ???? ?? ?? ??.

??? ??? ?? ???? ????? ?? ?????? ??? ????? , ???? ????? ?????? ?? ?? ???? ?????? ?? ???? ?????: sales@chinatungsten.com ?? ?? ????: +86 592 5129696

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