FEP tube, which is made of polyperfluorinated ethylene-propylene resin with additives, has excellent high and low temperature resistance, chemical stability, electrical insulation, outstanding non-viscosity and high mechanical strength. Applications: liquid crystal manufacturing device, all-body single-ended light-emitting single-core fiber pipe, steam piping, high-purity reagent conveying pipe, various corrosive media conveying pipe, various frequency wire and cable sheathing, groove element tube, heat exchanger.