??? ????? ?? ???? ???????
???? ??????? ??? ????? GB / T 3458-2006 (????? GB / T 3458-1982)
1 ????
???? ???? ?? ??????, ???? ?????, ????? ??????, ????, ?????, ?????, ????? PO ?? ???? ????? ?? ???? ???????.
???? ???? ?? ???? ??????? ?? ??? ????? ???? ?? ???? ???????.
2 ????? ????????
??????? ????? ?????? ???? ??????? ?? ??? ??. ???? ????? ?? ?????? ??? ???? ?????? ???? ??? ???? ?? ?? ??? ??. ?? ???, ??? ?????? ?????? ???? ?? ???? ???????? ??? ???? ?? ??. ???? ????? ?????? ??????? ??? ????? ?? ??? ?? ?? ?? ????? ?????.
GB / T 1480 ????? ???? ???? ???? ???? ????, ???? ?????? ???
GB / T 2596 ????? ?? ??? ????? ?? ???? ???????, ???? ??????? ????? (????? ????)
GB / T 3249 ???? ????? ???? ???? ???? ???????? ????: ???? Fsss
GB / T 4324 ???? ???? ?? ????? ?? ???????
GB / T 5314 ???? ?????? ?? ???? ???????? ????
3 ?????????
3.1 ????? ??????
3.1.1 ???? ??????? ???? ???? FW-1, FW-2, FWP-1 ?? ??? ????? ?????? ?????? ??????. FW-1 ???? ????? ??? ???? ???? ????? ??????? ??????? ????? ??????, FW-2 ???? ????? ??? ???? ?????? ????? ?????. FWP-1 ???? ???? ???? ????? ???.
3.1.2 ???? ??????? ???? ???? 14 ????? ??? ???? ???? ????? ???.
3.2 ?????? ??????
???? 1 ????? ?? ???? ??????
????? 1
???? |
FW-1 |
FW-2 |
FWP-1 |
|
Impurities |
Fe |
Fsss<10um;0.0050 |
0.030 |
0.030 |
???? ????(fsss)≥10um;0.010 |
||||
Al |
0.0010 |
0.0040 |
0.0050 |
|
Si |
0.0020 |
0.0050 |
0.010 |
|
Mg |
0.0010 |
0.0040 |
0.0040 |
|
Mn |
0.0010 |
0.0020 |
0.0040 |
|
Ni |
0.0030 |
0.0040 |
0.0050 |
|
As |
0.0015 |
0.0020 |
0.0020 |
|
Pb |
0.0001 |
0.0005 |
0.0007 |
|
Bi |
0.0001 |
0.0005 |
0.0007 |
|
Sn |
0.0003 |
0.0005 |
0.0007 |
|
Sb |
0.0010 |
0.0010 |
0.0010 |
|
Cu |
0.0007 |
0.0010 |
0.0020 |
|
Ca |
0.0020 |
0.0040 |
0.0040 |
|
Mo |
0.0050 |
0.010 |
0.010 |
|
K+Na |
0.0030 |
0.0030 |
0.0030 |
|
P |
0.0010 |
0.0040 |
0.0040 |
|
C |
0.0050 |
0.010 |
0.010 |
|
O |
Refer Table 2 |
0.20 |
||
3.3 ????? ?????? ?? ???? ???? ?????? ????? ????? ????? 2
???? ???? |
????? ???? ?????? ????/um |
???? ???? /% ?? ???? ???? ???? |
04 |
BET:<0.10 |
0.80 |
06 |
BET:0.10~0.20 |
0.50 |
08 |
Fsss: ≥0.8~1.0 |
0.40 |
10 |
Fsss:>1.0~1.5 |
0.30 |
15 |
Fsss: >1.5~2.0 |
0.30 |
20 |
Fsss: >2.0~3.0 |
0.25 |
30 |
Fsss: >3.0~4.0 |
0.25 |
40 |
Fsss: >4.0~5.0 |
0.25 |
50 |
Fsss: >5.0~7.0 |
0.25 |
70 |
Fsss: >7.0~10.0 |
0.20 |
100 |
Fsss: >10.0~15.0 |
0.20 |
150 |
Fsss: >15.0~20.0 |
0.10 |
200 |
Fsss: >20.0~30.0 |
0.10 |
300 |
Fsss: >30.0 |
0.10 |
1：BET ???? ?- GB / T 2596 |
||
3.4 ?????? ?????? ??????? ???? ?????? ?? FW-1, FW-2 ????? ?? ??? ???? ??? ??????.
3.5 ???? ???? FWP-1 ??? ??? 0.075mm (-200-200) ~ 0.045mm (+325 ???), ???? ????? ??? ?? ???? ? -80%, ??????? ?????? ??? (4.0 ~ 8.0) g / cm3.
3.6 ???? ??????
3.6.1 ???? ?? FW-1, FW-2 ??? ???? ???? ?? ???? ???. FWP-1 ??? ???? ????, ??? ???? ??????? ???? ????? ????.
3.6.2 ??? ??????? ????????? ?????
4 ???? ?????
4.1 ????? ???? ?? ???? ??????? ???? ????? ???? GB / T 4324.
4.2 ???? FSSS ?????? ?? ???? ??????? ?????? GB / T 3249.
4.3 ??? ??? ????? ???? ???? GB / T 2596.
4.4 ?????? ?????? ??????? ???? ?????? ?? FW-1, FW-2 ????? ?? ??? ???? ??? ??????.
4.5 ???? ?????? ????? ?? FWP-1 ??? GB / T 1480, ?? ????? ?? ????? ??????, ?? ???? ????? ??? ???? ?? ??? ??? ??????.
4.6 ????? ?? ???? ??????? ???? ?? ??? ?????.
5 ???? ?????
5.1 ?????? ?????
5.1.1 ????? ???? ?? ??? ????? ????? ????? ?? ???? ??? ?????? ?? ????? ??? ???? ?? ???, ?? ????? ????? ????? ???? ???????.
5.1.2 Demander ???? ????? ?? ????? ?? ?? ??? ??, ?? ?????? ????? ???? ?????, ?? ???? ???? ?????? ?? ?? ???? ???? ??? ????? ? ??? ???? ?? ??? ??? ??????. ?? ??????? ?? ????, ?????? ????? ?????? ?? ??? ??? ?????? .
5.2 ????? ???
????? ???? ?????? ?? ??? ?????. ?? ???? ??? composited ?? ??? ???? ????? ??????? ?? ???? ???, ???? ??? ??? ???? ?? ??? ??? ??????.
5.3 ???????
?????? ?????? ????? ???? GB / T 5314.
5.4 ????? ?????? ?????
5.4.1 ?? ?? ???? ??? ?? ????? ??? ?????, ?? ???? ????? ?? ????? ???? ??????. ?? ?? ????? ?????, ?? ????? ?? ???? ?????.
5.4.2 ?? ??? ????? ????, ??? ????? ????, ?? ????, ???? ????, ???? ???? ?????? ????? ?? ????? ??? ???? ?????, ????? ??? ???? ????? ?? ????? ???? ??????. ?? ?? ????? ?????, ?? ????? ?? ???? ?????.
5.4.3 ????? ?? ????? ???? ?? ??? ????, ???? ???? ????? ???? ????.
5.4.4 ???? ???? ?? FWP-1 ??? ???? ?????, ?? ???? ????? ?? ????? ???? ??????. ?? ?? ????? ?????, ?? ????? ?? ???? ?????.
6 ?????, ?????, ????? ??????.
6.1 ????? ?? ???? ???? ????? ???? ?? ???? ?????? ?????? ???? ???? ????, ???? ?? ?? ?? ??? ???? ?? ??? ??? ??????.
6.2 ????? ??????? ?? ????? ???? ????: ?? ????, ?? ?????, ????, ????, ???? ????, ???? ???, ?? ?????? ?? DAMP PROOF, UPSIDE ??? ????.
6.3 ????? ????? ???? ?????? ??? ????? ?? ?????. ?? ???? ?????:
a) ?? ????, ?????, ?????;
b) ?? ?????, ????;
c) ???? ?????;
d) ???? (???? ??? ????? ?????);
e) ???? ????;
f) ???? ?????? ??? ????? ?? ????? ????? ??????;
g) ???? ????;
h) ????? ?????.
6.4 ????? ????? ??????, ????? ???? ????? ????? ?? ????, ?????? ??????? ?????.
6.5 ????? ???? ????? ????? ??? ???, ??????, ?? ?????? ????? ?????? ??? ????? ?????. ???? ????, FW-1 ? FW-2 ?? ???? ????? ????? ??? ???? ??????, FWP-1 ?? ???? ????? ????? ??? 12 ??????.
?? ?? ?? ????? ???? ???????, ?? ???? ????? ????? ????"?: sales@chinatungsten.com?? ??????: +86 592 5129696
??? ????>>