Polytetrafluoroethene, named teflon by Du-pont, is applied to surfaces as an emulsion, mixed with another liquid, and then baked, which causes a thin film to form. When applied to metals like...
Teflon.
¨Polytetrafluoroethene (Also known as PTFE) is the slipperiest substance in the world. ¨They dip the pans into hydrochloric acid to roughen up the surface.¨Then a secret substance is...