SF6-Sulfur Hexafluoride

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Sulfur hexafluoride or sulphur hexafluoride is an inorganic compound with the formula SF₆. It is a colorless, odorless, non-flammable, and non-toxic gas. SF ₆ has an octahedral geometry, consisting of six fluorine atoms attached to a central sulfur atom. It is a hypervalent molecule.    

Application:

1.A new generation of ultra-high voltage insulating dielectric materials. As a good gas insulator, it is widely used for gas insulation of electronic and electrical equipment. Electronic grade high-purity sulfur hexafluoride is an ideal electronic etching agent, widely used in the field of microelectronics technology, and used as a plasma etching and cleaning agent in the manufacture of large integrated circuits such as computer chips and LCD screens. It is used as a fluorine source for the production of fluorine-doped glass in the preparation of optical fibers, and as a dopant for the isolation layer in the manufacture of low-loss high-quality single-mode optical fibers. It can also be used as a doping gas for nitrogen excimer lasers. It is used as a tracer, standard gas or standard mixed gas in meteorology, environmental testing and other departments. It is used as arc extinguishing and large-capacity transformer insulation material in high-voltage switches. It can also be used in particle accelerators and lightning arresters. Taking advantage of its good chemical stability and non-corrosiveness to equipment, it can be used as a refrigerant in the refrigeration industry (operating temperature between -45 and 0°C). Due to its high stopping power for alpha particles, it is also used in radiochemistry. In addition, it is also used as an anti-adsorbent to replace oxygen from coal dust in mines
2.It can be used in the smelting and casting process of non-ferrous metals, and can also be used for the degassing and purification of aluminum and its alloy melts. In the microelectronics industry, sulfur hexafluoride can be used to etch the silicon surface and remove organic or inorganic films on semiconductor materials. It can also be used as a dopant for the isolation layer of single-film optical fiber in the manufacturing process of optical fibers. Current interrupters with sulfur hexafluoride have high rated voltages and are not easy to burn. In addition, sulfur hexafluoride is also used as an insulating medium for various accelerators, ultra-high voltage storage devices, coaxial cables and microwave transmission. At present, sulfur hexafluoride is a widely used tracer for measuring atmospheric pollution, and the tracing distance can reach 100km. Sulfur hexafluoride has good chemical stability and is non-corrosive to equipment. It can be used as a refrigerant in the refrigeration industry (operating temperature between -45 and 0°C) and as a refrigerant to replace Freon. It has no destructive effect on the ozone layer, meets the requirements of environmental protection and performance, and is a refrigerant with great development potential. It is used as an electrical insulating medium and arc extinguishing agent, and a tracer for measuring the degree of atmospheric pollution.
3.It is mainly used for arc extinguishing in high-voltage switches and as an insulating material in large-capacity transformers and high-voltage cables. It can be used as a gas insulating material in nuclear particle accelerators and lightning arrester X-ray equipment. SF6 has good chemical stability and does not corrode equipment. It can be used as a refrigerant in the refrigeration industry (operating temperature between -45 and 0°C). SF6 has a high ability to stop α-particles, so it is also used in radiochemistry; it can also be used as an anti-adsorbent to replace oxygen from coal dust in mines.
4.Used as a gas insulator in electronic devices and radar waveguides    

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