You generally want to avoid using PTFE anyway.
Even without burning it or visibly damaging the cookware, it still contaminates the food with itself.
Stainless steel or ceramic is better.
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You have raw ceramic stuff? Unglazed? What kind stuff do they make with that?
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I vaguely wonder if the solvents could generate toxic byproducts when reacting with some stuff or other.
(Rinse very well yes.)
