custom 12" stainless buchner ideal gaskets for denatured ethanol?

setting up a 12" stainless buchner Using standard 200/190 proof ethanol and CDA12 denatured ethanol down to -80c to -90c what is the ideal gasket material to use with this system?

silicone seems fine for etoh but not heptane.

Buna-N is the only one i see that is A+ with ethanol and heptane. maybe i just answered my own question lol

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Teflon my friend, only the best! Get pfa hoses too if youve got product going through them.