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Fluoroantimonic acid container PTFE?

Vmedvil
in Inorganic Chemistry

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H2FSbF6 has a acidity 1016 stronger than 100% concentrated H2SO4 , how does Polytetrafluoroethylene (PTFE) survive the acidity of this level chemically, it says on the wiki that it is used to contain this super-acid and secondly, what are the strength of the bonds in PTFE?

Fluoroantimonic_acid-3D-balls.thumb.png.b6f0df6689a40dec62440ab41516f4c7.png

Perfluorodecyl-chain-from-xtal-Mercury-3D-balls.thumb.png.dac31e69cfa925af2fb7a51cfc24c457.png

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