A new generation of ultra-high voltage insulating dielectric materials. As a good gas insulator, it is widely used in the gas insulation of electronic and electrical equipment. Electronic grade high purity sulfur hexafluoride is an ideal electronic etching agent, which is widely used in the field of microelectronics technology as plasma etching and cleaning agent in the manufacture of large integrated circuits such as computer chips and liquid crystal screens. It is used as a fluorine source in the production of fluorine-doped glass in the preparation of optical fiber, and as a dopant in the isolation layer in the manufacture of low-loss high-quality single-mode optical fiber. It can also be used as the doped gas of nitrogen excimer laser. Used as a tracer, standard gas or standard mixture in meteorological, environmental monitoring and other departments.