A thermoplastic resin,(C2F4) n, that is resistant to heat and chemicals, has an extremely low coefficient of friction, and is used as a coating on cookware, gaskets, seals, and hoses.

• 聚四氟乙烯一种热塑性树脂，（c2f4）n，抗热抗化学物质，具有极低的摩擦系数，被用作炊具、垫圈、气塞和袜子的覆面