Polytetrafluorethylen (PTFE)

  Accueil/Semi-Fini/Polytetrafluorethylen (PTFE)
PTFE displays the greatest heat-stability of all non-modified engineering polymers. The maximum temperature for use at short-time-periods is about +300ºC, and at long-time- periods + 250ºC.



Its solidity and rigidity is low, while its stretching to breaking point is greater than 100%. The shrinkage of PTFE following processing is high. Its advantages lie in the vastness of the temperature range within which it can be used, its universal chemical stability, its insolubility in all known solvents at temperatures less than + 300°C, its resistance to atmospheric agents, its excellent electrical and dielectric characteristics and its excellent non-stick property that allows it to slide on all materials.


Application areas:

The engineering, chemical and electrical industries.
Examples: Gaskets subject to static and dynamic stresses, pistons and other machinery parts, linings, coatings and gearings.

 

 

 

 

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