Question: are pfas and ptfe the same?
Answer: The main chemical in Teflon is polytetrafluoroethylene (PTFE). ... While PFOA and PFOS have been largely phased out of use in the U.S., these chemicals are only two of the more than 3,000 poly- and perfluoroalkyl substances (PFAS) still used in many consumer goods, including cookware.