?????

?????????

????????

???? ?????????? ?????

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?????? ?? ??????

??????? ??? ?? ???????

2.5~3.5

?? ?? ????

100% ??? 20mesh

??? ?????

0.4~0.5 ?????/????

????? ?? ??????

≤5.0%

5'-??????

≤1.0%

???? ??????

≤10??????

????????

≥99.0%

??? ????? ?????

≤1000??????/??

???? ?? ?????

≤100??????/??

???????? ????

??? ???? ???/10g

??????

????? ?? ???? ??? ??? ???? ?? ???? ?? ????????? ??? ????? ??? ???: 25 ??????/????

?????? ?? ??????

?????? ?? ?????? ?? ???? ????? ?????? ?? ??? ?? ????? ??? ?? ??? ??? ??? ????? ????

????? ????

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