???? ?????
?? ?? ???? ??????
????????: ????? ?????? ???????; ????; ???? ????? ?? ????. ???? complexing, ????? ????? 2 ? -4. ?????? ????? ????? ?H2SO4 ?????? ???, ?HCl ???? H2SO4 ??? ??? ?? ???? ?? ?????? ???????. ???? ???? ???? ??????? ????????? ???? ????, ?????? ???? ????? ?? ????? ????? ????????. ????? ????? ?? ??? alkalies.????? ????? ????? ?????? ??????; ???? ?????? ?????? ????. ?????? ?? ??? ???? ????? ??????. ????? ??? ?????.
?????: ?? ????? ?????? ?????? ?????? ?????
(1) ????? (?? ????? ????? ?????) ?? ??? ????? ??????
(2) ?????
(3) ???????? ?? ?????? "??" (Cu 40-50%)
(4) ????? ?? ?? ????? "?????????" ?( 96-98%)
(5) ????? ?????????? ?99.9 ????? +%
????: ???? ????? ????? ?????? ????.
??????? (???) 0.2 mg/m3; (??? ?????) 1 mg/m3.
????? ?????? ?????
????? ?????? ????? ?????? ??? ?????? ???????? ????????? ???? ???? ????. ????? ???? ????? ??? ???? ???? ?????? ???? ?????? ?????? ????? ?????? ????? ? 70% ????? ?????? ??????? ??????. ????? ?? ???? ?? ?????? ????? ???? ?? ???????? ??????? ?????? ????? ??????.?????? ?? ?????? ??????? ?? ???? ?? ?????? ???.
???? ????? ????? ????? ????? ??????? ??????????? ???? ??????? ??????? ?????? ??? ??????. ?????? ???, ???, ???? ???????? ?????, ????? ????? ???? ???? ?????? ?????? ?????? ?????. ?????, ??? ???????? ????? ???? ?????? ?? ??? ????? ???????? ????? ?? ?????? ?????????? ???????? ?? ??????? ???? ?? ??????? ?????. ????? ????? ?? ?????? ???? ?????? ???? ???? ??? ???? ?? ??????? ??????? ?????? ???????? ?????? ????? sintering, ????? ????? ?? ?? ??? ????? ?? ?? ??? ?????.
????? ???????? ??? ???? ????? ??????, ???? ????? ?? ???? ?????? ????? ?????? ????? ????? ????, ?????, ????? ???? ??? ??? ??? ???? ?????? ?????? ???. ????? ???? ??????, ????, ????? antifouling, ??????? ?????????? ???? ????? ????.
????? ????? ??????? ????? ?? ?????? ??????? nonstructural ???? ?????, ????? ???, ?????? ?????, ??? ?? ??????? ?????????, ????? ??? ???? ?????? ?????? ????? ?????? ????????.
???? ????
Cu（≮，%） |
99.7 |
|
Impurities Analysis（≯,%） |
Fe |
0.02 |
Pb |
0.005 |
|
As |
0.005 |
|
Sb |
0.01 |
|
O |
0.20 |
|
SO4=（≯，%） |
0.004 |
|
Cl—（≯，%） |
0.004 |
|
H2O（≯，%） |
0.05 |
|
Calcined residue after nitric acid treatment（≯,%） |
0.05 |
|
Total Amount of Impurities |
0.3 |
|
?????? ?????????
Designation of Product |
Particle Size |
Bulk Density |
|
Particle Distribution |
% |
||
FTD1 |
—200 Mesh |
≥90 |
1.5~2.3 |
In which—300 Mesh |
≥60 |
||
FTD2 |
—300 Mesh |
≥95 |
1.2~1.7 |
FTD3 |
—200 Mesh |
≥95 |
1.5~1.9 |
FTD4 |
—80~200 Mesh |
70~80 |
1.8~2.5 |
?? ?? ?? ????? ????? ?????, ?? ???? ????? ????? ????"? ?????:sales@chinatungsten.com ?? ??????:+86 592 5129696.
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