Introduction to PTFE Tubes PTFE tubes (also called Polytetrafluoroethylene tubes) are useful materials used in engineering. They have special features that make them very helpful in many industries. Companies like Ningeplastics make these tubes. The tubes have great qualities that solve difficult technical problems. Key Properties of PTFE Tubes Chemical Resistance : Withstands aggressive chemicals and solvents Temperature Tolerance : Performs excellently from -200°C to +260°C