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Kynar® Flexible Tubing Key Characteristics

  • Outstanding flexibility 
  • Chemical stability
  • Clairity 
  • High purity/ Low extractabales



  • Excellent chemical resistance to Fuel C, CE10a, CE50a, CE85a, CM15a, Biodiesel.
  • Temperature rating up to 150C continuous
  • Low flame and smoke characteristics
  • Outstanding permeation compatibility with all hydrocarbons
  • High abrasion resistance
  • Cold weather impact strength
  • Bondable to other materials

The table above compares some Kynar® grades to a few THV grades, another commonly used material in fuel permeation barriers for fuels.  

Kynar® Tubing Specifications

Type Temperature2 Pressure1 Available Diameters
Flexible Tubing up to 107°C (225°F) vacuum rating up to 2.07Mpa (300 psi) 1.6 - 152.4 mm (1/16" - 6")
Rigid Tubing up to 121°C (250°F) vacuum rating up to 1.59 MPa (230 psi) 3.2 - 324 mm (1/8" - 12-3/4')

Note1: The above Kynar® component temperature, pressure and sizing data are compiled from industry data and are for illustrative purposes only. The actual temperature and pressure ratings of your system, as well as its resistance to chemical attack, are dependent on many environmental factors. Higher operating temperatures will reduce the Kynar® system's maximum operating pressure; higher operating pressures will reduce the system's maximum operating temperature. Higher operating pressures or temperatures may also require increased component wall thickness. Consult your Kynar® component supplier about your system's operating parameters before purchasing a Kynar® system. 

Note 2: Kynar® componetns can withstand continuous temperatures as low as -30°C (-22°F) under certain conditions. Please contact your Kynar® component supplier with specific information about your application to determine the lowest recommended operating temperature of your Kynar® system.