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> They're toxic

* When heated to high temperatures

Below 450F or so they don't react with anything. PTFE won't react with your egg you're frying, or the inside of your knee. (PTFE is used in surgical implants, among other things that can safely go inside your body)

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When you scratch them, and bits PTFE come loose, and you eat those bits, will they simply bee excreted, or will your body absorb (some of) it and never excrete it?

Many medical implants are made of PTFE because of how inert it is.

It'll slide through your intestines smoother than basically anything else you could possibly swallow :-)

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