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Acquire SF6 Gas

Sulfur Hexafluoride (SF6) is an excellent gaseous dielectric for high voltage power applications. It has been used extensively in high voltage circuit breakers and other switchgear employed by the power industry.

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Applications for SF6 include gas-insulated transmission lines and gas-insulated power distributions. The combined electrical, physical, chemical, and thermal properties offer many advantages when used in power switchgear.

SF6 is one of the heaviest known gases, with a density about five times that of air under similar conditions. SF6 shows little change in vapor pressure over a wide temperature range and is more dynamically compressible than air.

Sulfur Hexafluoride (SF6) | Buy It From EFC Gases

What is Sulfur Hexafluoride (SF6)?

Sulfur Hexafluoride is a synthetic, fluorinated compound with a highly stable molecular structure consisting of six fluorine atoms attached to a central sulfur atom. It is the most potent greenhouse gas with a high global warming potential. SF6 is much more effective at trapping infrared radiation than carbon dioxide (CO2), and its concentration in the earth’s atmosphere is rapidly increasing.

SF6 has chemical properties that make it useful across a range of industries and is often used in electric piping, electrical circuit breakers, and as a gaseous insulator.

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SF6 in Various Industries

SF6 is widely used in the electrical industry as a gaseous dielectric medium for insulating and arc quenching in switchgear, substations, and gas-insulated power lines. For these applications, it is superior to many other substances due to its insulation properties, dielectric strength, and arc-quenching abilities. We provide SF6 gas that meets IEC 376 and ASTM D2472-00 standards for these applications.

In a similar application, SF6 can be used in waveguides for high-power microwave systems. Pressurizing the waveguide with SF6 will electrically insulate and prevent internal arcing. SF6 is also used as a cover gas to protect molten reactive metals, including magnesium. It protects hot metals from atmospheric oxygen, preventing oxidation and burning. Sulfur hexafluoride is essential in deep ion plasma etching for semiconductor production, producing reactive ions and radicals in the plasma. When used between the panes of a double-pane window, SF6 provides thermal and acoustic insulation, which is valuable for homes and businesses in noisy areas or offices and conference rooms where privacy is essential.

Tires filled with SF6 will deflate more slowly due to the large molecule size. SF6 is used as a medical contrast agent for ultrasound imaging; its microbubbles in solution are injected into a vein, making blood vessels more visible to ultrasound. In retina surgery, an SF6 tamponade is used in the form of a bubble.

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