3A Composites Core Materials AIREX® C70.75 Universal Structural Foam

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3A Composites Core Materials AIREX® C70.75 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	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	>= 1.60 MPa	>= 232 psi	in the plane; ISO 527 1-2
	2.00 MPa	290 psi	average; in the plane; ISO 527 1-2
Elongation at Break	>= 10 %	>= 10 %	shear; ISO 1922
	18 %	18 %	average; shear; ISO 1922
Tensile Modulus	>= 0.0500 GPa	>= 7.25 ksi	in the plane; ISO 527 1-2
	0.0660 GPa	9.57 ksi	average; in the plane; ISO 527 1-2
Compressive Strength	>= 1.10 MPa	>= 160 psi	perpendicular to plane; ISO 844
	1.45 MPa	210 psi	average; perpendicular to plane; ISO 844
Compressive Modulus	>= 0.0800 GPa	>= 11.6 ksi	perpendicular to plane; DIN 53421
	0.104 GPa	15.1 ksi	average; perpendicular to plane; DIN 53421
Shear Modulus	>= 0.0240 GPa	>= 3.48 ksi	ASTM C393
	0.0300 GPa	4.35 ksi	average; ASTM C393
Shear Strength	>= 1.00 MPa	>= 145 psi	ISO 1922
	1.20 MPa	174 psi	average; ISO 1922

Thermal Properties	Metric	English	Comments
Thermal Conductivity	0.0330 W/m-K	0.229 BTU-in/hr-ft²-°F	ISO 8301

Descriptive Properties
Color	green

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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