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Meldin Supplier

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DuPont Mobility and Materials Vespel® SP-221 DF Polyimide
Categories: Polymer; Thermoplastic; Polyimide, Thermoplastic; Thermoplastic Polyimide, Graphite Filled

Material Notes: Parts from graphite filled PI (polyimide) with Teflon for highly specialized applications against soft metals in "no-lube" conditions.

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 PropertiesOriginal ValueComments
Specific Gravity 1.60 g/ccASTM D 792
 
Mechanical PropertiesOriginal ValueComments
Tensile Strength, Ultimate 39.0 MPa
@Temperature 23.0 °C
ASTM D 638
Elongation at Break 3.5 %
@Temperature 23.0 °C
ASTM D 638
Flexural Strength 31.0 MPa
@Temperature 260 °C
ASTM D 790
 55.0 MPa
@Temperature 23.0 °C
ASTM D 790
Flexural Modulus 2205 MPa
@Temperature 260 °C
ASTM D 790
 3445 MPa
@Temperature 23.0 °C
ASTM D 790
Compressive Strength 112 MPaASTM D 695
 
Thermal PropertiesOriginal ValueComments
UL RTI, Electrical 50.0 °C
@Thickness 0.750 mm
UL 746B
UL RTI, Mechanical with Impact 50.0 °C
@Thickness 0.750 mm
UL 746B
UL RTI, Mechanical without Impact 50.0 °C
@Thickness 0.750 mm
UL 746B
Flammability, UL94 V-0
@Thickness 0.750 mm
IEC 60695-11-10
 V-0
@Thickness 0.750 mm
UL94
 
Descriptive Properties
Contains Flame RetardantYes
FillerGraphite Powder
Heat StabilizedYes
Polymer FamilyPolyimide
Polymer TypePI
Region AvailableAmericas
 Asia/Pacific
 Europe

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 go back to viewing the property data in MatWeb's normal format.

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PDTA7759 / 89871

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