3A Composites Core Materials AIREX® C70.40 Universal Structural Foam

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3A Composites Core Materials AIREX® C70.40 Universal Structural Foam
Categories:	Other Engineering Material; Composite Core Material; Polymer
Material Notes:	AIREX® C70 is a closed cell, crosslinked polymer foam that combines excellent stiffness and strength to weight ratios with superior toughness. It is non-friable, contains no CFC’s, has negligible water absorption, and provides an excellent resistance to chemicals. A fine cell structure offers an excellent bonding surface. Compatible with most resins and manufacturing processes AIREX® C70 is ideally suited as a core material for a wide variety of lightweight sandwich structures subjected to both static and dynamic loads. Characteristics outstanding strength and stiffness to weight ratios Good impact strength Low resin absorption High fatigue resistance Good fire performance (self-extinguishing) Sound and thermal insulation Good styrene resistance Applications Marine: Hulls, decks, bulkheads, superstructures, interiors Road and Rail: Roof panels, interiors, floors, doors, partition walls, side skirts, front-ends Aircraft: Interiors, radomes, galley carts, general aviation (fuselage and wing) Recreation: Skis, snowboards, surfboards, wakeboards, canoes, kayaks Industrial: Tooling, tanks, ductwork, containers, covers
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Physical Properties	Original Value	Comments

Density	0.0400 g/cc	average; ISO 845

Mechanical Properties	Original Value	Comments
Tensile Strength	0.700 MPa	average; in the plane; ISO 527 1-2
Elongation at Break	8.0 %	average; shear; ISO 1922
Tensile Modulus	28.0 MPa	average; in the plane; ISO 527 1-2
Compressive Strength	0.450 MPa	perpendicular to plane; ISO 844
Compressive Modulus	41.0 MPa	average; perpendicular to plane; DIN 53421
Shear Modulus	0.0130 GPa	average; ASTM C393
Shear Strength	0.450 MPa	average; ISO 1922

Thermal Properties	Original Value	Comments
Thermal Conductivity	0.0310 W/m-K	ISO 8301

Descriptive Properties
Color	light green

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