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| Industrial anhydrous hydrogen fluoride |
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| Chemical ingredients |
HF
%
≥
|
H2O %
≤
|
SO2 %
≤
|
H2SO4 %
≤
|
H2SiF6
%
≤ |
| Premium grade |
99.98 |
0.01 |
0.0004 |
0.003 |
0.003 |
| Top-grade |
99.95 |
0.03 |
0.007 |
0.005 |
0.010 |
| First grade |
99.90 |
0.06 |
0.015 |
0.020 |
0.020 |
| Qualified product |
99.70 |
0.10 |
0.030 |
0.050 |
0.050 | |
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