Polytetrafluoroethylene (PTFE), a homopolymer of tetrafluoroethylene, is a linear chain polymer of great molecular length, or a ?long chain? fluorocarbon. PTFE resins have exceptional resistance to high temperatures, chemical reaction, corrosion, and stress-cracking. The mechanical toughness, electrical, and low-friction properties of PTFE make it the plastic of choice for a host of applications and different processing techniques.

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