... .high and temperature resistant 4.high insulation SpecificationsTeflon FEP film 1.Material:Teflon FEP 2.corrosion resistant 3.high ... and temperature resistant 4.high insulationUsage: Protection film,Insulation film, used for conveyor belt weldingUtilization CharacteristicHigh and low ... in ultraviolet radiation,and lowest refraction coefficient Pure PTFE film, F46 film, PFA film, FEP Film