??? ????? ?? ???? ????? ???????
GB/T 4295——2008
????? GB/T 4295——1993
???? ??????? ?????
2008-03-31?????????? 2008-09-01 ?????
1 ????
???? ???? ?? ??????, ???? ?????, ????? ??????, ????, ?????, ?????, ????? PO ?? ???? ????? ?? ???? ????? ???????.
???? ?? ????? ?? ???? ????? ??????? ??? ???? ?????? ????? ??????? ?????.
2 ???? ???????? ??????
??????? ????? ?????? ???? ??????? ?? ??? ??. ???? ????? ?? ?????? ??? ???? ?????? ???? ??? ???? ?? ?? ??? ??. ?? ???, ??? ?????? ?????? ???? ?? ???? ???????? ??? ???? ?? ??. ???? ????? ?????? ??????? ??? ????? ?? ??? ?? ?? ?? ????? ?????.
GB/T 3249 ???? ????? ???? ???? ???? ?? ???? ????: ???? Fsss.
GB/T 4324 ???? ???? ?? ????? ?? ???????
GB/T 5124 ????? ????? ?? ????? ???????
GB/T 5314 ????? ???? ??? ????? ?? ???? ????????: ????? ????
3 ?????????
3.1 ???????? ????
???? ??????? ????? ???? ???? 16 ?????? ?? ?? ??????? ???? ???????? ?????? ???, ???? ???? ????:
?????：FWC 100-140
FWC：???? ??????? ?????, 100-140 ?????? ????? ???? ????? ???????? ??? 10.0μm ~ 14.00μm
3.2 ????? ????
????? ????? ???? ????? ???? ????? ???? 1.
????? 1
?????? |
???? ??????? (?? ????) |
||||||||
Al |
Ca |
Fe* |
K |
Mg |
Mo |
Na |
S |
Si |
|
≥99.8 |
0.002 |
0.002 |
0.02 |
0.0015 |
0.002 |
0.01 |
0.0015 |
0.002 |
0.003 |
*???? ???? ???????? ?????? ???? ???? ? 14um, ?????? Fe ???? ????? ???? ? 0.05%. |
|||||||||
???? Fsss ???, ??? ?????, ???? ????, ???? ?????, ???? ???? ?????? ???? ???? ?????? ?? ????? ?? ???? 2.
3.4 ?????? ???? ??????? ????? ???? ????? ???. ???? ????? ??? ???? ???? ??? ???? ? 2um, ???? ???? ??? ?? ???? ???? ? 150um; ???? Fsss ???? 2um ~ 10um, ???? ???? ??? ?? ???? ????? ???? ???? ???? 75um; ???? Fsss ???? ???? ? 10um, ?? ???? ???? ???? ????? ???? ? 180um.
???? |
??? ??? ?????? / (m2 / g) |
???? ????? ?? ??????? |
???? ???? |
???? ?? ???/ |
???? ???? |
???? ???? |
FWC02-04 |
＞ |
-- |
0.35 |
6.20~6.30 |
0.20 |
6.07 |
FWC04-06 |
1.5~2.5 |
-- |
0.30 |
6.15~6.25 |
0.15 |
6.07 |
FWC06-08 |
-- |
≥0.60~0.80 |
0.20 |
6.13~6.23 |
0.12 |
6.07 |
FWC08-10 |
-- |
＞0.8~1.00 |
0.18 |
6.08~6.18 |
0.08 |
6.07 |
FWC10-14 |
-- |
＞1.00~1.40 |
0.15 |
6.08~6.18 |
0.06 |
6.07 |
FWC14-18 |
-- |
＞1.40~1.80 |
0.15 |
6.08~6.18 |
0.06 |
6.07 |
FWC18-24 |
-- |
＞1.80~2.40 |
0.12 |
6.08~6.18 |
0.06 |
6.07 |
FWC24-30 |
-- |
＞2.40~3.00 |
0.10 |
6.08~6.18 |
0.06 |
6.07 |
FWC30-40 |
-- |
＞3.00~4.00 |
0.08 |
6.08~6.18 |
0.06 |
6.07 |
FWC40-50 |
-- |
＞4.00~5.00 |
0.08 |
6.08~6.18 |
0.06 |
6.07 |
FWC50-70 |
-- |
＞5.00~7.00 |
0.05 |
6.08~6.18 |
0.06 |
6.07 |
FWC70-100 |
-- |
＞7.00~10.00 |
0.05 |
6.08~6.18 |
0.06 |
6.07 |
FWC100-140 |
-- |
＞10.00~14.00 |
0.05 |
6.08~6.18 |
0.06 |
6.07 |
FWC140-200 |
-- |
＞14.00~20.00 |
0.05 |
6.08~6.18 |
0.06 |
6.07 |
FWC200-260 |
-- |
＞20.00~26.00 |
0.05 |
6.08~6.18 |
0.06 |
6.07 |
FWC260-350 |
-- |
＞26.00~35.00 |
0.08 |
6.08~6.18 |
0.06 |
6.07 |
????? ?? ???? ????? ??????? ??? ???? ???? ???? ??? ?? ?????? ?? ???? ??????. ??? ???? ????? ???? ??? ??????? ???????.
4 ???? ?????
4.1 ????? ?????? ????? ?? ??? ????? ?? ???? ?????, ???? ?????? ??? ?? ?? GB / T 4324.
4.2 ??"? ????, ???? ???? ???? ?????? GB / T 5124. ???? ???? ????? ?? ??? ????? ?? T / C ? F / C. ???? ???? ?????? GB / T 3249. ??????? ????? ???? ??? ??? ????? ?????? GB / T 13390.
4.3 ???? ?? ????? ????? ?? ??? ??? ??????.
4.4 ????? ???? ????? ??????.
5 ???? ?????
5.1 ?????? ?????
5.1.1 ????? ???? ?? ??? ????? ????? ????? ?? ???? ??? ?????? ?? ????? ??? ???? ?? ???, ?? ????? ????? ????? ???? ???????.
5.1.2 Demander ???? ????? ?? ????? ?? ?? ??? ??, ?? ?????? ????? ???? ?????, ?? ???? ???? ?????? ?? ?? ???? ???? ??? ????? ? ??? ???? ?? ??? ??? ??????. ?? ??????? ?? ????, ?????? ????? ?????? ?? ??? ??? ?????? .
5.2 ????? ???
????? ???? ?????? ?? ??? ?????. ?? ???? ??? composited ?? ??? ???? ????? ??????? ?? ???? ???, ???? ??? ??? ???? ?? ??? ??? ??????.
5.3 ???? ????? ????? ??????
??? ???? ?? ???? 3 ???? ???? ?????? ??? ???? ??????.
???? ????? |
???? ?????? |
??? ??? ???? |
???? ????? ??? ??? |
?????? ?????? |
?? ????? ???? ???? GB / T 5314 |
3.2 |
4.1 |
???? ??????, ??? ??? ?????? ????? ???? |
?? ????? ???? ???? GB / T 5314 |
3.3 |
4.2 |
?????? |
???? ??? |
3.4 |
4.3 |
????? ???? |
Lot for Lot |
3.5 |
4.4 |
5.4.1 ?? ?? ???? ??? ?? ????? ??? ?????, ?? ???? ????? ?? ????? ???? ??????. ?? ?? ????? ?????, ?? ????? ?? ???? ?????.
5.4.2 ?? ??? ????? ????, ??? ????? ????, ?? ????, ???? ????, ???? ???? ?????? ????? ?? ????? ??? ???? ?????, ????? ??? ???? ????? ?? ????? ???? ??????. ?? ?? ????? ?????, ?? ????? ?? ???? ?????.
5.4.3 ?? ????? ???? ????, ?? ?? ????? ??.
5.4.4 ?? ????? ????? ???? ?????, ?? ?? ????? ??.
?? ?? ?? ????? ???? ????? ???????, ?? ???? ????? ????? ????"?: sales@chinatungsten.com?? ??????: +86 592 5129696.
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