2020-05-11 08:02:49 UTC
frying pans. I vaguely remember reading an article that says before
PFOA, it had been perfluorobutanoic acid that was used as the teflon
coating on frying pans. It was later found that perfluorobutanoic acid
widely existed in people's blood stream. Thus, it was replaced by PFOA,
which is not as easy to enter people's blood stream.
I cannot find any reference about this. Is this just my imagination? Can
someone confirm it?