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Polytetrafluoroethylene (PTFE) is one of the most common materials used for seals. Expanded PTFE, or ePTFE, is a soft material with many of the same properties as PTFE. However, ePTFE is more flexible, making it a better choice for specific applications.

Both PTFE and Expanded PTFE have good chemical resistance. Additionally, Expanded PTFE has better creep resistance and cold flow. Some of the key characteristics of PTFE are as follows: It can perform well in environments with temperatures as high as 260 Degree Celsius.

It can be used in medical and biological industries, high-performance filters, medical devices, oil and gas industries, electronic insulators, hernia repair, vascular grafts, and other reconstructive surgery, fluidic purification applications, and environmental filtration.