1.perfect insulativity 2.thermo chemical, thermo to aging, 3.radioresistance 4.easily to process 5.hardness cold flow ETFE has the advantage of both PTFE&TFE.It has perfect insulativity,thermo chemical,thermo to aging,radioresistance and easily to process.Also with well toughness,hardness,cold flow and creep deformation etc.ETFE has been widely used in aviation,spaceflight,semiconductor, ...