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Polytetrafluoroethylene (PTFE) gives much better corrosion resistance than rubber. PTFE is available as virgin PTFE, graphite filled PTFE, and glass filled PTFE. The following components can be made from this material:
· Wedges
· O-rings, V-rings
· Bellows
· Gaskets, etc.
Parameter | Unit | Virgin PTFE | Glass Filled PTFE | Carbon Filled PTFE |
Density | g/cm3 | 2.2 | 2.3 | 2.08 |
Tensile Strength | MPa | 30 | 15 | 13 |
Maximum Working Temperature | oC | 260 | 260 | 260 |