polytetrafluoroethylene

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polytetrafluoroethylene

[¦päl·ē‚te·trə‚flür·ō′eth·ə‚lēn]
(organic chemistry)
(CF2CF2)n A highly crystalline perfluorinated polymer that is characteristically resistant to heat and chemicals.

polytetrafluoroethylene

A waxy opaque thermoplastic resin commonly known by its proprietary name Teflon; resistant to acid oxidizing agents and to alkalis; has a particularly slippery surface.
References in periodicals archive ?
Polytetrafluorethylene (PTFE) 37mm filters from Pall Gelman Corporation (East Hills, NY) with a pore size of 2 [micro]m and a support ring were used inside the PEM to collect the particles.
The third cartridge uses expanded polytetrafluorethylene (PTFE) over a spunbonded polyester substrate and is made for hygroscopic applications.
Materials included in these trials were polymethylmethacrylate, polypropylene, polytetrafluorethylene, stainless steel and ceramic tiles.
The K-LOK is equipped with a heavy-duty circular key that holds the reinforced polytetrafluorethylene (PTFE) valve seat and carbon steel retaining ring in place.
in porosity, Type GF/A) or polytetrafluorethylene (2 [micro]m or 0.000079 in.
This was also the case for polytetrafluorethylene, which is normally considered an inert substance.
Madame Gregoire had wondered, if polytetrafluorethylene (PTFE), the non-stick coating on her husband's fishing line, could prevent sticking, why couldn't he make PTFE keep an omelet from sticking to her pan?
List of Instruments Used for Long-Term Measurements Item Quantity Description 1 50 Type-T thermocouple, encapsulated tip, 24 AWG premium grade polytetrafluorethylene (PTFT) wire leads, 40 ft long 2 15 Type-T thermocouple, encapsulated tip, 24 AWG premium grade PTFT wire leads, 60 ft long 3 1 Edgetech Model 200 Dewtrack #200C1/D1; 24 VDC, 4-20mA 4 1 Sample chamber (SC1) 5 1 Sensor model # TX-S-LT-SF (33:1 D:S Focus) 4-20 mA output 6 8 #CB-7018--8 channel T/C input or [+ or -]20 mA module, 6 diff.
The filaments were variously melt spun into ice water and through ambient air to a take-up device consisting of a polytetrafluorethylene roller.
If he could use PolyTetrafluorEthylene to prevent hot fiberglass from adhering to his aluminum fishing rod, why couldn't he put it on an aluminum frying pan to keep an omelette from sticking?