... insulation, 4.Anti high and low temperature. -200-260 C PTFE tubes PTFE tubesID(mm)OD(mm)Thickness(mm)Weight (g/m ... . corrosion resisttance,6. Anti high and low temperature. -200-260°C. Applications:It’s widely used in:1. Heat exchangers,2 ... wiring jacket,340.51246134560.519681487101.565810162101217612141891216219114161103Other sizes,colors for PTFE tubes can be customized ,pls contact us !