New answers tagged fuel-system
1
Those are mostly fluoropolymers (Viton, ETFE to name two).
As with most things that are fluorinated, those cables are unaffected by most chemicals (good), expensive, biopersistant (not good for the environment) and produce hot hydrofluoric acid (especially bad) when burnt.
The search term you need is "cable chemical resistance chart"
A nice one:
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