DuPont Mobility and Materials Vespel® SF-0920 Polyimide Foam, Low Density

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DuPont Mobility and Materials Vespel® SF-0920 Polyimide Foam, Low 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: Potential applications may include: 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	Original Value	Comments

Density	9.06 - 9.66 lb/ft³	ASTM D3574 Test E

Mechanical Properties	Original Value	Comments
Tensile Strength, Ultimate	61.6 psi	ASTM D3574 Test E

Electrical Properties	Original Value	Comments
Dielectric Constant	1.11	ASTM D1673
Dissipation Factor	0.00252	pf.; ASTM D1673

Thermal Properties	Original Value	Comments
CTE, linear	0.130 µin/in-°F @Temperature 54.4 - 93.3 °C	ASTM E228
	0.280 µin/in-°F @Temperature 15.6 - 54.4 °C	ASTM E228
Thermal Conductivity	0.0330 - 0.0360 W/m-K	25°C (77°F); ASTM C518
Maximum Service Temperature, Air	300 °C

Descriptive Properties
Compressive Force Test @20%, psi	17.4	ASTM D3574 Test C
Compressive Force Test @40%, psi	29	ASTM D3574 Test C
Max Standard Thickness, in.	1.42
Standard Sheet Size, in.	~23x23

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PDU2011 / 32873

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