Features Pure fluoropolymer tubes without fillers, plasticizers, or other additives. It is suitable for electrical insulation applications because the degradation of electrical characteristics in the high temperature, high humidity and high frequency regions is extremely small. It has excellent non-adhesion and is resistant to dirt and scale. Spec Inner diameter x outer diameter (? mm): 1.59 x 3.17 Material: PTFE (ethylene tetrafluoride) NFLIP (R) Operating temperature range: -40 ~~ + 260 C Food sanitation act compliance products