... , Made of pure PTFE dispersion resin ,through layering ,and high temperature tensile. Description:PTFE is a kind of good ... material , Made of pure PTFE dispersion resin ,through layering ,and high temperature tensile.It has a low coefficient of friction ... , etc.Application:suitable for the reaction kettle, steam turbine generator and various special-shaped cans,barrels sealing.Temperature: -250°C~+ ...