Sulfur Hexafluoride a gaseous dielectric medium in the electrical industry, an inert gas for the casting of magnesium, and as an inert filling for windows.According to the Intergovernmental Panel on Climate Change, SF6 is the most potent greenhouse gas that it has evaluated, with a global warming potential of 22,800[5] times that of CO2 when compared over a 100 year period.Emissions reductions starting with Leak Finder Services can mean a big payoff for users of SF-6. SF-6