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Ensinger PEI

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DuPont™ Kapton® 50FPC Polyimide Film, 13 Micron Thickness
Categories: Polymer; Film; Thermoset; Polyimide, TS; Polyimide, Thermoset Film

Material Notes: Film thickness 13 micron (0.5 mil)

All purpose polyimide film. Can be laminated, diecut, slit, formed, or adhesive-coated. Similar to Kapton® Type VN with improved bondability. Available in thicknesses from 0.3 mil (7.5 µm) to 5 mil (125 µm).

General Kapton® information: Kapton® is synthesized by polymerizing an aromatic dianhydride with an aromatic diamine. It has excellent chemical resistance; there are no known organic solvents for the film. It does not melt. It can be used at both high and low temperature extremes. Kapton® polyimide films can be used in a variety of electrical and electronic uses: wire and cable tapes, formed coil insulation, substrates for printed circuit boards, motor slot liners, magnet wire insulation, transformer and capacitor insulation, magnetic and pressure-sensitive tapes, and tubing.

Data provided by DuPont High Performance Films.

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Physical PropertiesOriginal ValueComments
Density 1.42 g/cc
Water Absorption 2.8 %24 hr/23°C. ASTM D570
Thickness 13.0 mil
 
Mechanical PropertiesOriginal ValueComments
Film Elongation at Break, MD 75 %Orientation not specified; ASTM D882
Poissons Ratio 0.34Value for Kapton® HN
Secant Modulus 2.60 GPaASTM D882
Coefficient of Friction, Dynamic 0.48Value for Kapton® HN. Film to film. ASTM D1894-90
Coefficient of Friction, Static 0.63Kapton® HN. Film to film. ASTM D1894-90
Film Tensile Strength at Break, MD 172 MPaOrientation not specified; ASTM D882
 
Electrical PropertiesOriginal ValueComments
Electrical Resistivity 1.00e+10 ohm-cmKapton® HN in damp heat; IPC-TM-650; Method 2.5.17
 1.00e+17 ohm-cmper ASTM D257-91 for Kapton® HN
Dielectric Constant 3.6
@Frequency 1000 Hz
Use evaporated metal electrodes, two terminal system of measurement at standard conditions.; ASTM D150
Dielectric Strength 339 kV/mmFlat sheets in air; 1/4 in diameter brass electrodes with 0.8 mm edge radius; 60 cps AC at 600V/s; ASTM D149-81
Dissipation Factor 0.0030
@Frequency 1000 Hz
 
Thermal PropertiesOriginal ValueComments
CTE, linear 20.0 µm/m-°C
@Temperature 20.0 °C
Value for Kapton® HN
 32.0 µm/m-°C
@Temperature 100 °C
Value for Kapton® HN
 40.0 µm/m-°C
@Temperature 250 °C
Value for Kapton® HN
Specific Heat Capacity 1.09 J/g-°CValue for Kapton® HN
Thermal Conductivity 0.120 W/m-KValue for Kapton® HN
Maximum Service Temperature, Air 400 °CKapton® can function after brief exposure to 400°C (750°F). Various grades are UL rated for continuous service at 220-240°C (430-460°F).
Minimum Service Temperature, Air -269 °CMaintains properties and flexibility
Glass Transition Temp, Tg 385 °CValue for Kapton® HN
Flammability, UL94 V-0
 
Optical PropertiesOriginal ValueComments
Refractive Index 1.70
@Wavelength 589.3 nm
Value for Kapton® HN.  Na D line; ASTM D542-90

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