... usages Characteristics 1.Erode preservation ,2.Low water absorption,3.Non firing in air,4.No poison ,5.With physical inertia ... , 3.Heat exchanger, steam piping, 4.Conveyer pipe with high purity reagent,5.Conveyer pipe with various corrosive media,6.Lepeth-sheath ... wire and cable with various frequency,trough insulated pipe,See some photosPsckage like this fep teflon plastic transparent ...