DuPont Mobility and Materials Vespel® SF-0940 Polyimide Foam, High Density

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DuPont Mobility and Materials Vespel® SF-0940 Polyimide Foam, High Density
Categories:	Polymer; Thermoplastic; Polyimide, Thermoplastic
Material Notes:	Vespel® SF foam products are ideal candidates for applications requiring extremes of strength, temperature, and performance. Vespel® SF foam products are characterized by high compressive strength, excellent insulative properties, and outstanding resistance to heat, fire, solvents, and chemicals. Additional properties include increased stiffness and low weight. Applications: AERO-ENGINES & AERO-FRAMES: Stator vanes seals Variable bushing packing Nacelle insulation Reinforced composite panels INDUSTRIAL MARKETS Machinery Vibration isolation for oven shelves Material handling equipment High temperature gaskets TRANSPORTATION MARKETS General aviation, ultralight composite aircraft Automotive (commercial & racing) Properties are typical and not legally guaranteed. Information provided by DuPont Information provided by DuPont. This product line has remained with DuPont after the DuPont-Dow merger.
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Physical Properties	Metric	English	Comments

Density	0.404 - 0.596 g/cc	0.0146 - 0.0215 lb/in³	ASTM D3574 Test E

Mechanical Properties	Metric	English	Comments
Tensile Strength, Ultimate	26.0 MPa	3770 psi	ASTM D3574 Test E
Elongation at Break	9.08 %	9.08 %	ASTM D3574 Test E
Tensile Modulus	0.521 GPa	75.6 ksi	ASTM D3574 Test E
Compressive Strength	25.4 MPa	3680 psi	@10%; ASTM D1621
	41.4 MPa	6000 psi	@20%; ASTM D1621
Compressive Modulus	0.321 GPa	46.5 ksi	ASTM D1621

Electrical Properties	Metric	English	Comments
Dielectric Constant	1.9	1.9	ASTM D1673

Thermal Properties	Metric	English	Comments
Thermal Conductivity	0.0657 W/m-K	0.456 BTU-in/hr-ft²-°F	25°C (77°F); ASTM C518
Maximum Service Temperature, Air	300 °C	572 °F

Descriptive Properties
Compressive Force Test @20%, psi	4700		ASTM D3574 Test C
Compressive Force Test @40%, psi	7640		ASTM D3574 Test C
Max Standard Thickness, in.	0.24
Standard Sheet Size, in.	~18x18

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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PDU2013 / 32875

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