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Considering Reshoring?

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100 Years

Of Experience

Polytetrafluoroethylene (PTFE)

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Polytetrafluoroethylene (PTFE)

Polytetrafluorothylene Molecule

Polytetrafluoroethylene (PTFE) or Teflon® discovered by DuPont chemist Roy J. Plunkett in the 1950s, is a synthetic fluoropolymer of tetrafluoroethylene. Hydrophobic, non-wetting, high density and resistant to high temperatures, Polytetrafluoroethylene is an incredibly versatile material with a wide variety of applications, though it’s perhaps best-known for its chemical resistance, extreme temperature versatility and non-stick properties.

Polytetrafluoroethylene’s melting point is around 620°F, and pure PTFE is almost totally chemically inert, highly insoluble in most solvents or chemicals, and thermally stable enough to be used between -328 degrees F and +500 degrees F without degrading.

Polytetrafluoroethylene has the highest melting point and lowest friction, and is the most inert of all the fluoropolymers. It has a continuous service temperature rating of 500 degree F. Molding powders are excellent, fine cut granular resins, well suited for a variety of demanding chemical, mechanical, electrical and non-stick surface applications. At Advanced EMC, we select various fillers to blend or compound with unfilled or virgin PTFE to provide enhanced properties for specific applications.

Typical applications include:

  • Spring energized PTFE seals
  • PTFE rotary shaft seals
  • Gaskets
  • Diaphragms
  • Bellows
  • Slide bearings
  • V-rings
  • Pump parts
  • Impellers
  • Containers
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