The Probert Encyclopaedia of Science & Technology

POLYTETRAFLUORETHYLENE

Polytetrafluorethylene (PTFE) is a slippery theromplastic polymer with similar properties to polystyrene, except that it has a very wide temperature range and cannot be practically melted. It is chemically inert and as such is resistant to adhesives. Polytetrafluorethylene is used for making gaskets, hoses, insulators, bearings, and for coating metal surfaces in chemical plants and in non-stick cooking vessels - often under the tradename Teflon.
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