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Ensinger PEI

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Hippe PI  (discontinued **)
Categories: Polymer; Thermoplastic; Polyimide, Thermoplastic

Material Notes: Wide temperature range for use. High oxidation resistance. UV stability, low coefficient of linear expansion, good strength at high temperatures, resistance against stress cracking.

Information provided by Hippe.

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Physical PropertiesOriginal ValueComments
Specific Gravity 1.43 g/ccDIN 53 479
 
Mechanical PropertiesOriginal ValueComments
Tensile Strength 86.0 MPaDIN 53 455
Elongation at Break 7.5 %DIN 53 455
Tensile Modulus 3.10 GPaDIN 53 457
 
Electrical PropertiesOriginal ValueComments
Volume Resistivity 1.00e+16 ohm-cmDIN 53 482, VDE 0303, Part 3
Surface Resistance 1.00e+15 ohmDIN 53 482
Dielectric Constant 3.55
@Frequency 1e+6 Hz
DIN 53 483, IEC-250
Dielectric Strength 22.0 kV/mmBreakdown; DIN 53 481, IEC-243, VDE 0303 Part 1
Dielectric Loss Index 0.0034
@Frequency 1e+6 Hz
DIN 53 483, IEC-250
 
Thermal PropertiesOriginal ValueComments
CTE, linear 55.0 µm/m-°C
Thermal Conductivity 0.350 W/m-K
Maximum Service Temperature, Air 250 °CContinuous use
Flammability, UL94 V-0
 
Descriptive Properties
Colorbrown
Resistance to hot water, sudsresistant in some conditions

**
Materials flagged as discontinued () are no longer part of the manufacturer’s standard product line according to our latest information. These materials may be available by special order, in distribution inventory, or reinstated as an active product. Data sheets from materials that are no longer available remain in MatWeb to assist users in finding replacement materials.

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