??
??
??? ???? > ??
???: HF
???: 20.01
????: GB 7744-2008
|
?? |
?? |
||||||
|
I? |
II? |
||||||
|
HF-I-40 |
HF-I-55 |
HF-I-70 |
HF-II-30 |
HF-II-40 |
HF-II-50 |
HF-II-55 |
|
|
?????（HF)≥% |
40.0 |
55.0 |
70.0 |
30.0 |
40.0 |
50.0 |
55.0 |
|
?????（H2SiF6) ≤% |
0.05 |
2.5 |
5.0 |
8.0 |
10.0 |
||
|
???? |
0.05 |
0.08 |
0.08 |
1.0 |
1.0 |
2.0 |
2.0 |
|
（H2SO4） ≤% |
|||||||
|
?? ??? ≤% |
0.05 |
— |
|||||
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????: +86-599-5636798
??: +86-599-5636818
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