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Sulfur Hexafluoride SF6 Gas

Product nameSulfur Hexafluoride SF6 Gas



Dot Class:2.2

Other Names:Sulfur hexafluoride gas

CAS NO: 2551-62-4

Grade Standard:Electron Grade, Industrial Grade


Electric Grade

Sulfur hexafluoride application as dielectric gas

Gas insulated high voltage circuit breakers and other switchgears

Gas insulated power transmission lines and power distribution substations 

High voltage transformers, linear accelerators, coaxial cables, waveguides, switches,x-ray apparatus and capacitors.

Metallurgic Grade

Sulfur hexafluoride foundry Applications and metal casting

Component of inert atmosphere during the primary casting of Aluminum and Magnesium. Refining agent for Aluminum foundry applications. N2 / SF6 gas mixtures (5 - 10 % by volume of SF6) are employed to refine pure Aluminum or its alloys at melt temperatures in the range 650 - 750 °C. SF6 is a source of fluorine atoms reacting in the melt and removing inclusions of H2, oxides, particles and other casting impurity.


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