3A Composites Core Materials AIREX® C71.75 Elevated Temperature Structural Foam

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3A Composites Core Materials AIREX® C71.75 Elevated Temperature Structural Foam
Categories:	Other Engineering Material; Composite Core Material; Polymer
Material Notes:	AIREX® C71 is a closed cell, crosslinked polymer foam especially formulated to maintain its stability also at higher processing or service temperatures. It 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® C71 is ideally suited as a core material for a wide variety of lightweight sandwich structures subjected to both static and dynamic loads, and exposed to elevated temperatures during manufacturing. Characteristics outstanding strength and stiffness to weight ratios High temperature resistance Good impact strength High fatigue resistance Low resin absorption (fine cell structure) Good fire performance (self-extinguishing) Sound and thermal insulation Good styrene resistance Dimensionally stable and non biodegradable Applications Wind Energy: Rotor blades, nacelles, turbine generator housings Road and Rail: Roof panels, interiors, floors, doors, partition walls, side skirts, front-ends Marine: Hulls, decks, bulkheads, superstructures, engine hatches Aircraft: Interiors, radomes, galley carts, general aviation (sport aircraft) Recreation: Skis, snowboards, surfboards, wakeboards, canoes, kayaks Industrial: Tooling, tanks, ductwork, containers, covers
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Physical Properties	Metric	English	Comments

Density	0.0800 g/cc	0.00289 lb/in³	average; ISO 845
	0.0720 - 0.0920 g/cc	0.00260 - 0.00332 lb/in³	typical range; ISO 845

Mechanical Properties	Metric	English	Comments
Tensile Strength	>= 1.40 MPa	>= 203 psi	in the plane; ISO 527 1-2
	2.20 MPa	319 psi	average; in the plane; ISO 527 1-2
Elongation at Break	>= 20 %	>= 20 %	shear; ISO 1922
	32 %	32 %	average; shear; ISO 1922
Tensile Modulus	>= 0.0400 GPa	>= 5.80 ksi	in the plane; ISO 527 1-2
	0.0600 GPa	8.70 ksi	average; in the plane; ISO 527 1-2
Compressive Strength	>= 1.30 MPa	>= 189 psi	perpendicular to plane; ISO 844
	1.50 MPa	218 psi	average; perpendicular to plane; ISO 844
Compressive Modulus	>= 0.0850 GPa	>= 12.3 ksi	perpendicular to plane; DIN 53421
	0.102 GPa	14.8 ksi	average; perpendicular to plane; DIN 53421
Shear Modulus	>= 0.0250 GPa	>= 3.63 ksi	ASTM C393
	0.0300 GPa	4.35 ksi	average; ASTM C393
Shear Strength	>= 1.10 MPa	>= 160 psi	ISO 1922
	1.35 MPa	196 psi	average; ISO 1922

Thermal Properties	Metric	English	Comments
Thermal Conductivity	0.0360 W/m-K	0.250 BTU-in/hr-ft²-°F	ISO 8301

Descriptive Properties
Color	light yellow

Some of the values displayed above may have been converted from their original units and/or rounded in order to display the information in a consistent format. Users requiring more precise data for scientific or engineering calculations can click on the property value to see the original value as well as raw conversions to equivalent units. We advise that you only use the original value or one of its raw conversions in your calculations to minimize rounding error. We also ask that you refer to MatWeb's terms of use regarding this information. Click here to view all the property values for this datasheet as they were originally entered into MatWeb.

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