SF6 sulfur hexafluoride
General Characteristics: A colorless, non-flammable and liquefied and odorless.
Health Hazard: A simple asphyxiant.
Molecular Weight: 146.1
Flammability Limits in air: non-flammable
Density, Gas @70°F(21.1℃), 1 atm: 0.385lbs/ft3(6.2g/l)
Specific volume, Gas @70°F(21.1℃), 1 atm: 2.5ft3/lb (0.156g/l)
Critical Temperature: 114°F (45.5℃)
Critical Pressure: 545.2psia (37.6 bar)
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Specifications
Component Sulfur Hexafluoride
ULSI
99.999% min
VLSI
99.995% min
Carbon Tetrafluoride
<2ppm
<5ppm
Hydrogen Fluoride
<0.3ppm
Nitrogen
<10ppm
Oxygen
<1ppm
THC(as Methane)
Water
<3ppm
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1. Dielectric medium: SF6 is used in the electrical industry as a gaseous dielectric medium for high-voltage circuit breakers, switchgear, and other electrical equipment, often replacing oil filled circuit breakers (OCBs) that can contain harmful PCBs. 2. Medical use: SF6 is used to provide a tamponade or plug of a retinal hole in retinal detachment repair operations[9] in the form of a gas bubble. 3. Tracer compound 4. Other uses: as an etchant, as inert gas to fill casting forms, as a filler gas in tennis balls and so on. how much does sulphur hexafluoride sf6 gas cost
It is readily liquefied and is shipped in steel cylinders as a liquiefied gas under its own vapor pressure.
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