Take you to understand PTFE

PTFE fiber is a linear polymer and an outstanding representative of perfluoropolymers. The fluorine atoms on the PTFE main chain are arranged in a double helix structure around the carbon atoms. The two adjacent fluorine atoms just fill the gap between the two carbon atoms, forming a dense layer of "fluorinated" around the C-C bond. "Layer", it is difficult for other molecules or reactive groups to enter, effectively protecting the C-C main chain from corrosion. Its relative molecular mass is very high, ranging from 10E06 to 10E07, with a density of 2.1-2.3g/cm3, a Tm of 327℃, and a Td of 415℃. It can be used for a long time at -250~260℃. Since its development and launch, PTFE has received extensive attention in many fields of industrial production and life due to its excellent properties such as thermal stability, chemical resistance, low friction coefficient, and low water absorption due to its special molecular configuration. And application.

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