Product Code:SAE AMS3654 Title:Tubing, Electrical Insulation Light Wall, Extruded Polytetrafluorethylene (Ptfe) Issuing Committee:Ams P Polymeric Materials Committee Scope:This specification covers extruded polytetrafluoroethlene (PTFE) in the form of flexible tubing. This tubing has been used typically for electrical insulating sheath up to 260 degrees C (500 degrees F), but usage is not limited to such applications.