ʻO ka PTFE he polytetrafluoroethylene,ʻike ʻia hoʻi ʻo Teflon (Teflon), ʻo ia nā mea kānana ʻeke ma ka hopena kiʻekiʻe loaʻano ʻano o.ʻeke PTFE no ke kū'ē i nā kūlana corrosive, ka lawelaweola o nā mea kānana pono o nā manawa.