PTFE (Teflon) O-Rings
Polytetrafluoroethylene (PTFE) Teflon O-ring Material Specifications

Polytetrafluoroethylene (PTFE) is a high molecular weight polymer and one of the most widely used plastic materials, capable of handling harsh working conditions where other materials cannot. PTFE O-rings occupy an important position in the sealing field due to their excellent heat resistance, chemical corrosion resistance, solvent resistance, strong anti-stick properties, stable dielectric properties, low coefficient of friction, and non-toxic and environmentally friendly characteristics. The tensile and compressive properties of the material are closely related to the processing technology and the quality of the polymer used. PTFE possesses excellent high and low temperature resistance, and can operate continuously and stably in environments up to 250°C (482°F). Even at temperatures close to absolute zero, it maintains good compressive plasticity.
Temperature range of polytetrafluoroethylene (PTFE) Teflon O-rings
Standard low temperature: -200°C (-328°F)
Standard high temperature: 250°C (482°F)