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Ensinger PEI
3A Composites Core Materials AIREX® R82.110 High Performance Structural Foam
Categories: Other Engineering Material; Composite Core Material; Polymer; Thermoplastic

Material Notes: AIREX® R82 is a closed-cell, thermoplastic polymer foam that combines outstanding fire resistance with low smoke and toxicity, along with excellent dielectric properties. It has a good strength to weight ratio, very low moisture absorption, is thermoformable and ductile. AIREX® R82 is a core material for use in structural lightweight applications that demand high fire resistance, radar transparency or operation in extremely hot or cold environments.


  • Fulfils most stringent fire requirements
  • Operating temperature from -194°C to +160°C (-317° F to +320 °F)
  • Remains ductile at cryogenic temperatures
  • Excellent dielectric properties (radar transparent outstanding)
  • Very low moisture absorption
  • Good fatigue resistance
  • High impact resistance (non-brittle failure mode)
  • Thermoformable
  • Good sound and thermal insulation
  • Aircraft and Aerospace: Interiors, cockpit doors, cryogenic tanks, insulating panels, radomes, helicopter rotor blades, general aviation (fuselage and wing)
  • Road and Rail: Front-ends, side skirts, roof panels, interiors
  • Marine: Fast-ferries, fire resistant interiors, radomes
  • Defense: Naval superstructures, antennas, combat communication systems
  • Industrial: High-temperature tooling, radomes, x-ray tables
Available Properties
  • Density, ISO 845, average
  • Density, ISO 845, typical range
  • Tensile Strength, ISO 527 1-2, in the plane
  • Tensile Strength, ISO 527 1-2, average; in the plane
  • Elongation at Break, ISO 1922, shear
  • Elongation at Break, ISO 1922, average; shear
  • Tensile Modulus, ISO 527 1-2, in the plane
  • Tensile Modulus, ISO 527 1-2, average; in the plane
  • Compressive Strength, ISO 844, perpendicular to plane
  • Compressive Strength, ISO 844, average; perpendicular to plane
  • Compressive Modulus, DIN 53421, perpendicular to plane
  • Compressive Modulus, DIN 53421, average; perpendicular to plane
  • Shear Modulus, ASTM C393
  • Shear Modulus, ASTM C393, average
  • Shear Strength, ISO 1922
  • Shear Strength, ISO 1922, average
  • Charpy Impact, Notched, DIN 53453
  • Thermal Conductivity, ISO 8301
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