PTFE is commonly used for hydraulic liner seals in just about every industry that uses them. From guide rings to chevron sets, PTFE hydraulic linear seals have a reputation for durability and excellent tribological performance.
Selecting the Right PTFE Filler for Your Application
Virgin PTFE has good properties, but they may not be good enough for demanding applications involving low creep, high compressive strength, and excellent wear properties. There are a variety of fillers that can be added to PTFE to solve those problems, however.