Defining PTFE and PFA - The most widely known PTFE formulation is sold under the brand name of Teflon®.
Polytetrafluoroethylene (PTFE) – an unregulated chemical in the PFAS family – which is used in a plethora of consumer products, giving materials that desired non-stick function, also is a fluoropolymer and is commonly known by its trade name, Teflon®. It is most commonly used as a nonstick coating for cookware.
But Teflon is a trade name or trademark of Chemours — not all PTFE or other fluoropolymers used in nonstick cookware use Teflon coating.
In the 1940s, nonstick pans entered the market with coatings produced to resist grease, oil, and water. The chemicals that made this possible fall under the umbrella of PFAS and a subset of PFAS are polytetrafluoroethylene (PTFE) and (perfluorooctanoic acid) PFOA, which are commonly referred to as Teflon. With new research linking these chemicals to lowering immunity in children, kidney disease, thyroid disease, and other health concerns, the use of PFOAs has been phased out of many production lines.
Over the past decade, though this is still a work in progress. While many brands today claim their cookware is free of these chemicals, there are more coatings than just Teflon, so even if your sparkly new nonstick pan says that it’s PTFE- or PFOA-free, it may still contain another chemical from the PFAS family.
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