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SF6 Specifications

Component ASTM 2472 D IEC 376 ASG TYPICAL
Sulfur Hexafluoride (by wt.) 99.8% 99.9% 99.99%
Water (vol. %) < 8 ppmv < 15 ppmv < 1 ppmv
Dew Point -62°C -40°C -85°C
Acidity (HF) < 0.3 ppmw < 0.3 ppmw < 0.3 ppmw
Hydrolizable Fluorides - - - - - < 1.0 ppmw - - - - -
Air (wt. %) < 500 ppmw < 500 ppmw < 200 ppmw
Carbon Tetrafluoride (CF4) < 500 ppmw < 500 ppmw < 200 ppmw
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