... .Antilflaming, 3.High insulation, 4.Anti high and low temperature. Below is brief introduction of PTFE tube:Extrusion PTFE Tubes:Extrusion PTFE Tubes are made ... , and after drying, high temperature sintering, shaping process and made of hose, usually packed in roll.Molded PTFE tubesMolded PTFE tubes are made of ... -made for you, so that you can do the batch. PTFE/Teflon Tube