C4F7N Gas: A Low-GWP Alternative to SF6 for Advanced Electrical Insulation and Arc Quenching

C4F7N Gas: A Low-GWP Alternative to SF6 for Advanced Electrical Insulation and Arc Quenching BY Tao, Published August 27, 2025 Introduction to C4F7N Heptafluoroisobutyronitrile Perfluoroisobutyronitrile (C4F7N), a fluorinated specialty gas, is emerging as a game-changer in high-voltage electrical insulation and arc quenching, offering a sustainable alternative to sulfur hexafluoride (SF6). With over three decades of…