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CTFE/FEP/PFA/Tefzel®

From wiring to piping, these moldable materials meet the demand.

This group of fluoro-based thermoplastics offers a unique balance of properties facilitating excellent workability and moldability by extrusion or conventional processing.

Common Properties

  • Broad thermal capabilities at both low and high temperature extreme
  • Very low moisture absorption
  • Mechanically tough
  • Chemical, flame and weather resistant
  • Excellent dielectric properties

Additional properties and applications specific to each material are noted below.

 

CTFE (Chlorotrifluoroethylene homopolymer)

Properties

  • High compression strength
  • Will not deform under load at room temperature
  • Low cold-flow properties
  • Very low gas permeability

 

FEP (Hexafluoropropylene and tetrafluoroethylene copolymer)

Properties

  • Continuous service at temperatures up to 400°F (200°C).
  • Low smoke generation
  • Low co-efficient of friction
  • UL 910 rating

Applications

  • Wire and cable insulator
  • Wiring applications requiring high speed communications
  • Limited jacketing (e.g. plenum)
  • Powder paint

 

PFA (Tetrafluoroethylene and Perfluoroalkoxy copolymer)

Properties

  • Transparent
  • High purity
  • Excellent chemical stability
  • Withstands temperatures up to 260°F continuous use

Applications

  • Semiconductor components
  • Piping couplings
  • Non-corrosive linings
  • Powder paint and film

 

Tefzel (Modified tetrafluoroethylene and ethylene copolymer)

Properties

  • Translucent
  • Intermediate flow rate
  • Excellent stiffness and impact strength
  • Abrasion resistant
  • Low dielectric constant
  • Continuous service temp of 302°F (150°C)
  • Flame rating UL94 V-0

Applications

  • Electrical components
  • Lab ware
  • Battery/instrument components requiring chemical inertness
  • Chemical service items
  • Film
  • Nuclear power plants