What is sf6 compound name

Its high level of chemical stability and exceptional electrical properties are applied in its use as an insulating material for electrical devices. This product is for industrial use, and was not developed or produced with the intention of use in medical applications. It has excellent dielectric strength that is 2 to 3 times that of air at the same pressure, and performance at the same level as insulating oils at 3 to 4 atmospheres of pressure.

It has high arc-extinguishing performance, and even if it is momentarily destroyed by an arc, its insulating properties will be naturally restored if the source is removed.

Also, unlike insulating oils, it will not generate conductive carbon deposits. It has a high general heat transfer coefficient, and excellent cooling effects, enabling it to reduce energy losses from equipment and increase their output.

These properties can allow equipment to become smaller in size and require less maintenance, for significant potential reductions in cost. With such exceptional properties, SF6 is believed to be a substance that will be further considered for a diverse range of applications in the future. Handle in a well ventilated area. Seal containers tightly each time they are used. SF 6 is also a very stable chemical, with an atmospheric lifetime of 3, years. As the gas is emitted, it accumulates in the atmosphere in an essentially un-degraded state for many centuries.

Thus, a relatively small amount of SF 6 can have a significant impact on global climate change. Disconnectors and ground switches use SF 6 primarily for insulation, and individually, they contain only slightly less SF 6 than a circuit breaker.

These devices are used to isolate portions of the transmission system where current flow has been interrupted using a circuit breaker. Gas-insulated substations also use a significant amount of SF 6 , and GIS installations house SF 6 -insulated circuit breakers, busbars and monitoring equipment. The largest use of SF 6 occurs in high-voltage circuit breakers, where, in addition to providing insulation, SF 6 is used to quench the arc formed when an energized circuit breaker is opened.

Several factors affect SF 6 emissions from electric power systems, such as the type and age of the SF 6 -containing equipment e. Because of its long-life span and high global warming potential GWP , even a relatively small amount of SF 6 can impact the climate. Through improvements in the leak rate of new equipment, refurbishing older equipment, and the use of more efficient operation and maintenance techniques, utilities often find economical solutions to reduce SF 6 emissions.

Under the partnership, EPA shares information on best management practices and technical issues to help reduce emissions. Some cost-effective options to reduce SF 6 emissions are:. The most common use for and largest emission source of SF 6 , both domestically and internationally, is as an electrical insulator in high voltage equipment that transmits and distributes electricity. Approximately 71 percent of all SF 6 emissions in the United States is attributed to the electrical transmission and distribution sector in based on the Inventory of US Greenhouse Gas Emissions and Sinks.

The electric power industry uses roughly 80 percent of all SF 6 produced worldwide. SF 6 containing equipment is designed to avoid emitting any of this gas into the atmosphere.

However, SF 6 gas can inadvertently escape into the atmosphere as leaks develop during various stages of the equipment's lifecycle. In some cases, significant leaks can occur from aging equipment.