DuPont Mobility and Materials Vespel® CP-0301 Fiber Compound

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DuPont Mobility and Materials Vespel® CP-0301 Fiber Compound
Categories:	Polymer; Thermoplastic; Polyimide, Thermoplastic
Material Notes:	The sheet molding compound series of Vespel® CP parts consist of long, chopped fibers held in a variety of polymer matrices. The discontinuous nature of the fibers allows the fibers to align with the contours of the part, permitting the molding of relatively complex shapes, while providing the reinforcing strength where needed within the part. Superior strength versus aluminum at less weight, Vespel® CP frees the designer to explore ways to improve efficiency by reducing component weight and reducing friction. Applications: A sheet-molded and reinforced polyimide resin for: Tube clamps Brackets Seal plates Gear box adapter covers Benefits: Lightweight yet tough: ideal for replacing cast aluminum or titanium Polymer base may be made from phenolics and / or polyimides All values listed are for compression-molded samples and are measured in the plane perpendicular to the direction of molding pressure unless otherwise indicated. 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

Specific Gravity	1.54 g/cc	ASTM D792
Water Absorption	0.50 %	24 hrs @ 73°F (23°C); ASTM D570

Mechanical Properties	Original Value	Comments
Hardness, Rockwell 15T	86	ASTM D2240
Tensile Strength, Ultimate	50000 psi	RT; ASTM D3039
	47000 psi @Temperature 260 °C	ASTM D3039
Tensile Modulus	45.0 GPa	260°C (500°F); ASTM D3039
	6.80e+6 psi	RT; ASTM D3039
Flexural Strength	50000 psi	260°C (500°F); ASTM D790
	71000 psi	ASTM D790
Flexural Modulus	4800 ksi	260°C (500°F); ASTM D790
	5500 ksi	RT; ASTM D790
Compressive Strength	35000 psi	Ultimate; 260°C (500°F); Parallel to the direction of molding pressure.; ASTM D695
	53000 psi	Ultimate; RT; Parallel to the direction of molding pressure.; ASTM D695
Izod Impact, Notched	13.0 ft-lb/in	ASTM D256

Thermal Properties	Original Value	Comments
CTE, linear	1.60 µin/in-°F @Temperature 21.1 - 316 °C	ASTM D696
	15.0 µin/in-°F @Temperature 21.1 - 316 °C	ASTM E228-85
Thermal Conductivity	0.300 W/m-K	ASTM C177
Glass Transition Temp, Tg	335 °C

Descriptive Properties
Thermal Oxidation, % Weight Loss	10	410 hours; 70 psia (483 kPa) 610°F (321°C) circulating air; saturated condition; volume/surface area .07 in
	2.5	120 hours; 70 psia (483 kPa) 610°F (321°C) circulating air; saturated condition; volume/surface area .07 in
	4	100 hours; 70 psia (483 kPa) 610°F (321°C) circulating air; saturated condition; volume/surface area .048 in (1.22 mm)
	7.5	315 hours; 70 psia (483 kPa) 610°F (321°C) circulating air; saturated condition; volume/surface area .07 in
Thermal Oxidative Stability, %	2	100 hours; 70 psia (483 kPa) 610°F (321°C) circulating air; saturated condition; volume/surface area .091 in (2.31 mm)

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