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	Metric	English	Comments

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

Mechanical Properties	Metric	English	Comments
Hardness, Rockwell 15T	86	86	ASTM D2240
Tensile Strength, Ultimate	345 MPa	50000 psi	RT; ASTM D3039
	324 MPa @Temperature 260 °C	47000 psi @Temperature 500 °F	ASTM D3039
Tensile Modulus	45.0 GPa	6530 ksi	260°C (500°F); ASTM D3039
	46.9 GPa	6800 ksi	RT; ASTM D3039
Flexural Strength	345 MPa	50000 psi	260°C (500°F); ASTM D790
	490 MPa	71000 psi	ASTM D790
Flexural Modulus	33.1 GPa	4800 ksi	260°C (500°F); ASTM D790
	37.9 GPa	5500 ksi	RT; ASTM D790
Compressive Strength	241 MPa	35000 psi	Ultimate; 260°C (500°F); Parallel to the direction of molding pressure.; ASTM D695
	365 MPa	53000 psi	Ultimate; RT; Parallel to the direction of molding pressure.; ASTM D695
Izod Impact, Notched	6.94 J/cm	13.0 ft-lb/in	ASTM D256

Thermal Properties	Metric	English	Comments
CTE, linear	2.88 µm/m-°C @Temperature 21.1 - 316 °C	1.60 µin/in-°F @Temperature 70.0 - 600 °F	ASTM D696
	27.0 µm/m-°C @Temperature 21.1 - 316 °C	15.0 µin/in-°F @Temperature 70.0 - 600 °F	ASTM E228-85
Thermal Conductivity	0.300 W/m-K	2.08 BTU-in/hr-ft²-°F	ASTM C177
Glass Transition Temp, Tg	335 °C	635 °F

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)

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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