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[email protected]develop sf6 is gas Asia,Formular Name Purity Impurity (ppm) CF4 Tetrafluoromethane 99.999% (5N) Air≤5, Sulfr hexafluoride≤1, CO≤0.5, CO2≤0.5, THC≤0.1, H2O≤1, HF≤1 Cl2 Chlorine 99.999% (5N) O2≤1, N2≤2, CO≤0.5, CO2≤4, CH4≤0.1, H2O≤2 CO Carbon Monoxide 99.995% (4N5) O2≤1, N2≤
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