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Ensinger PEI
3A Composites Core Materials AIREX® PXc.245 Fiber-Reinforced Structural Foam
Categories: Other Engineering Material; Composite Core Material; Polymer

Material Notes: AIREX® PXc is a closed-cell, fiber reinforced polymer foam with very high mechanical properties ideally suited as core material for structurally loaded sandwich applications. The sophisticated manufacturing process evenly distributes continuous glass fibers throughout the foam generating a very consistent foam with enhanced mechanical properties especially in compression and shear. AIREX® PXc is dimensionally stable, has very low water absorption, and is resistant to chemicals and high temperatures. It is ideally suited as a core material for highly loaded sandwich structures or as a replacement for wood and plywood.


  • High flexural strength and stiffness
  • Replacement for wood and plywood
  • Good fastener pull-out strength
  • High heat resistance
  • Compatible with a wide range of resins and adhesives
  • Dimensionally stable
  • High styrene resistance
  • Very low water absorption
  • Non biodegradable
  • Excellent chemical resistance
  • Marine: Floors, bulkheads, transoms, stringers, engine beds, interiors, local reinforcements, tooling and molds
  • Road and Rail: Floors, sidewalls, roofs, engine covers, interior panels
  • Industrial: Covers, tanks, containers, tooling and molds, local reinforcements, architectural panels, sporting goods
Available Properties
  • Density, ASTM C271, apparent nominal
  • Flexural Strength, ASTM D790
  • Flexural Modulus, ASTM D790
  • Compressive Strength, ASTM C365, perpendicular to plane
  • Compressive Modulus, ASTM C365, perpendicular to plane
  • Shear Modulus, ASTM C273
  • Shear Strength, ASTM C273
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