In chemistry, PTFE is a synthetic fluoropolymer which finds numerous applications. PTFE is most well known by the DuPont brand name Teflon and has the lowest coefficient of friction of any polymer
Because of its molecular structure, traditional PTFE cannot be processed by melting, but must be compressed into shapes and heated under pressure (sintered). In contrast, FEP and PFA are melt-processable by conventional thermoplastic processing methods, including injection, transfer, blow, and compression molding and by extrusion.
PTFE is a fluorocarbon solid, as it is a high molecular weight compound consisting wholly of carbon and fluorine. Fluorocarbons are not as susceptible to the London dispersion force due to the high electronegativity of fluorine. Therefore, water and water-containing substances, and oil and oil-containing substances, like most foods do not wet PTFE, as adhesion to PTFE surfaces is inhibited. Due to this property PTFE is used as a non-stick coating for pans and other cookware. It is very non-reactive, partly because of the strength of carbon–fluorine bonds and so it is often used in containers and pipework for reactive and corrosive chemicals. Where used as a lubricant, PTFE reduces friction, wear and energy consumption of machinery.
Applications:
- Ultra Pure Systems
- Semi-Conductor Industry
- Biotechnical and Pharmaceutical
- Sterilization Systems
- Cryogenic Systems to 400°F
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