Teflon

Teflon® is a trademark of the DuPont company. It is currently applied to products made from three types of fluorine-containing polymers (fluoropolymers).
 * Teflon-PTFE is a Polytetrafluoroethylene
 * Teflon-PFA is a Perfluoroalkoxy
 * Teflon-FEP is a Fluorinated ethylene propylene