SF6
SF6, or sulfur hexafluoride, is a colorless, odorless gas that is commonly used in electrical equipment as an insulating and arc-extinguishing medium. It is known for its excellent dielectric properties, making it effective in preventing electrical discharges. Due to its high density, SF6 is also used in various applications, including in the production of certain types of electronics and in the medical field for imaging.
Despite its useful properties, SF6 is a potent greenhouse gas, with a global warming potential significantly higher than carbon dioxide. Its long atmospheric lifetime raises concerns about its impact on climate change. Efforts are being made to find alternatives and reduce emissions of SF6 in industrial applications.