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HALAR® ECTFE (ETHYLENE-CHLOROTRIFLUOROETHYLENE)

Material Information

Halar® ECTFE is a high purity, high molecular weight, crystalline thermoplastic polymer. It contains no fillers, lubricants, or plasticizers that may contaminate contents. Compared to other fluorocarbons, Halar® ECTFE shows exceptional surface smoothness. It has excellent corrosion, abrasion, and chemical resistance and performs in many applications up to 300º F. Halar® ECTFE is made from the toughest fluoropolymers, allowing it to have nylon-like durability with excellent mechanical properties and impact strength. It has extremely low permeability to liquids, gases, and vapors. In addition, it also is resistant to most chemicals with the exception of hot amines and ketones. It is also known to be non-flammable. Halar® ECTFE is available in the form of sheet and rod.

Application

  • Wet benches and water process equipment
  • Solid and lined pipe
  • Fittings
  • Pumps & Valve components
  • Filter housings
  • Tanks & tank linings
  • Fume exhaust ducts and scrubbers
  • Chemical storage
  • High purity tubing
  • Windows

Properties

  • Excellent corrosion, chemical, and abrasion resistance
  • Excellent durability
  • Excellent mechanical properties
  • Low permeability to liquids, gases, and vapors
  • High purity
  • Good thermal stability
  • Good tensile strength
  • Excellent impact resistance
  • Machinable, weldable, and thermoformable

Specifications

PhysicalAstm Test MethodECTFE (Halar®)
Density (lb/in^3)D7920.061
Specific GravityD7921.68
Water Absorption @ 24 hours (%)D570
Mechanical
Tensile Strength (PSI)D6387,000
Tensile Modulus (PSI)D638240,000
Tensile Elongation at Break (%)D638200
Flexural Strength (PSI)D790
Flexural Modulus (PSI)D790240,000
Izod Impact (Notched), ft-lb/inD256No Break
Rockwell HardnessD2240R93
Thermal
Coefficient of Thermal Expansion,
10^-5/°F
D6965.6
Heat Deflection Temperature 264 psi, ºFD648240
Melting Point, °FD3418460
Continous Service Temp (Operating), °F300
Thermal Conductivity, BTU-in/hr-ft² °FC1771.09
Flammability RatingUL94VO
Electrical
Dielectric Strength, Short Term,
(Volts/Mil) @ .125″ Thick
D149500
Volume Resistivity (ohm-cm) @ 50% RHD25710^15
Dielectric Constant at 1 MHZD1502.5
Dissipation Factor at 1 MHZD150

Disclosure: The information contained herein are typical values intended for reference and comparison purposes only. They should NOT be used as a basis for design specifications or quality control. Contact us for manufacturers’ complete material property datasheets. All values at 73°F (23°C) unless otherwise noted.

 

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