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Nonstick cookware is designed to allow easy removal of cooked food particles, preventing them from sticking to the surface. This is typically achieved through a coating made of polytetrafluoroethylene (PTFE), a synthetic resin known by trademarks such as Teflon.12

PTFE is a strong, waxy, and nonflammable material distinguished by its slippery surface, high melting point, and resistance to chemicals. It was discovered in 1938 and later commercialized as a coating for cookware in 1960. The unique properties of PTFE, including its low coefficient of friction, make it ideal for cooking surfaces where fats or oils are not needed.2

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2 Britannica Sources
  1. nonstick
  2. polytetrafluoroethylene

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