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Meldin Supplier

DuPont Mobility and Materials Vespel® SP-2515 Direct Formed (DF) Polyimide Parts
Categories: Polymer; Thermoplastic; Polyimide, Thermoplastic
Material Notes: Parts made from DuPont™ Vespel® SP-2515 offer a low coefficient of thermal expansion (CTE), excellent wear against both aluminum and steel alloys, and a low coefficient of friction in both dry and lubricated conditions. These properties make Vespel® SP-2515 parts ideal for applications such as seal rings, thrust washers, and bushings where high energy efficiency and dimensional stability, over a broad range of temperatures, are a requirement.

Information provided by DuPont. This product line has remained with DuPont after the DuPont-Dow merger.
Vendors: No vendors are listed for this material. Please click here if you are a supplier and would like information on how to add your listing to this material.
 
Physical PropertiesMetricEnglishComments
Specific Gravity 1.73 g/cc1.73 g/ccASTM D792
Water Absorption 0.30 %
@Time 86400 sec		0.30 %
@Time 24.0 hour		ASTM D570
Deformation  0.090 %
@Time Error in fixSigDigits: @digits must be between 1 a sec,
Pressure 14.0 MPa		0.090 %
@Time Error in fixSigDigits: @digits must be between 1 a hour,
Pressure 2030 psi		ASTM D621
 0.11 %
@Pressure 14.0 MPa,
Time 86400 sec		0.11 %
@Pressure 2030 psi,
Time 24.0 hour		ASTM D621
 
Mechanical PropertiesMetricEnglishComments
Tensile Strength  25.0 MPa
@Temperature 260 °C		3630 psi
@Temperature 500 °F		E-8 Specimen
 39.0 MPa
@Temperature 22.8 °C		5660 psi
@Temperature 73.0 °F		ASTM D638
Elongation at Break  1.9 %
@Temperature 22.8 °C		1.9 %
@Temperature 73.0 °F		ASTM D638
 2.1 %
@Temperature 260 °C		2.1 %
@Temperature 500 °F		E-8 Specimen
Modulus of Elasticity  2.26 GPa
@Temperature 260 °C		328 ksi
@Temperature 500 °F		E-8 Specimen
 6.34 GPa
@Temperature 22.8 °C		920 ksi
@Temperature 73.0 °F		ASTM D638
Flexural Strength  38.0 MPa
@Temperature 260 °C		5510 psi
@Temperature 500 °F		ASTM D790
 61.0 MPa
@Temperature 22.8 °C		8850 psi
@Temperature 73.0 °F		ASTM D790
Flexural Modulus  3.82 GPa
@Temperature 260 °C		554 ksi
@Temperature 500 °F		ASTM D790
 5.56 GPa
@Temperature 22.8 °C		806 ksi
@Temperature 73.0 °F		ASTM D790
Compressive Strength  71.0 MPa
@Temperature 260 °C		10300 psi
@Temperature 500 °F		ASTM D695
 105 MPa
@Temperature 22.8 °C		15200 psi
@Temperature 73.0 °F		ASTM D695
Compressive Modulus  1.84 GPa
@Temperature 260 °C		267 ksi
@Temperature 500 °F		ASTM D695
 2.08 GPa
@Temperature 22.8 °C		302 ksi
@Temperature 73.0 °F		ASTM D695
Coefficient of Friction, Dynamic  0.21
@Pressure 1.30 MPa		0.21
@Pressure 189 psi		0.88 PV, 0.7 m/s; Falex
 0.33
@Pressure 1.70 MPa		0.33
@Pressure 247 psi		3.5 PV, 2 m/s; Falex
K (wear) Factor  149 x 10-8 mm³/N-M
@Pressure 1.29 MPa		74.0 x 10-10 in³-min/ft-lb-hr
@Pressure 187 psi		25,000 psi-fpm PV; 0.7 m/s (134 fpm); Falex, Unlubicated
 568 x 10-8 mm³/N-M
@Pressure 1.72 MPa		282 x 10-10 in³-min/ft-lb-hr
@Pressure 250 psi		100,000 psi-fpm PV; 2.0 m/s (400 fpm); Falex, Unlubicated
 
Thermal PropertiesMetricEnglishComments
CTE, linear  23.0 µm/m-°C
@Temperature 50.0 - 150 °C		12.8 µin/in-°F
@Temperature 122 - 302 °F		Perpendicular; ASTM E831
 54.0 µm/m-°C
@Temperature 50.0 - 150 °C		30.0 µin/in-°F
@Temperature 122 - 302 °F		Parallel; ASTM E831
Specific Heat Capacity 0.895 J/g-°C
@Temperature 60.0 °C		0.214 BTU/lb-°F
@Temperature 140 °F		ASTM E1269
Thermal Conductivity  2.04 W/m-K
@Temperature 100 °C		14.2 BTU-in/hr-ft²-°F
@Temperature 212 °F		ASTM F433
 2.05 W/m-K
@Temperature 50.0 °C		14.2 BTU-in/hr-ft²-°F
@Temperature 122 °F		ASTM F433

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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PDTA7759m / 183713

Chemically Resistant adhesives




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