DuPont™ Kapton® 200EN Polyimide Film, 50 Micron Thickness
Categories: Polymer; Film; Thermoset; Polyimide, TS; Polyimide, Thermoset Film
Material Notes: Film thickness 50 micron 2.0 mil)

Kapton® Type E and EN films have superior dimensional stability, low CHE, a CTE close to copper, and a high modulus. This type is exceptional for applications requiring adhesive or adhesiveless constructions.

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 PropertiesMetricEnglishComments
Density 1.46 g/cc0.0527 lb/in³
Water Absorption 2.2 %2.2 %24 hr/23°C. ASTM D570
Thickness 1270 microns50.0 mil
 
Mechanical PropertiesMetricEnglishComments
Film Elongation at Break, MD 55 %55 %Orientation not specified; ASTM D882
Poissons Ratio 0.340.34Value for Kapton® HN
Secant Modulus 5.20 GPa754 ksiASTM D882
Coefficient of Friction, Dynamic 0.480.48Value for Kapton® HN. Film to film. ASTM D1894-90
Coefficient of Friction, Static 0.630.63Kapton® HN. Film to film. ASTM D1894-90
Film Tensile Strength at Break, MD 310 MPa45000 psiOrientation not specified; ASTM D882
 
Electrical PropertiesMetricEnglishComments
Electrical Resistivity 1.00e+10 ohm-cm1.00e+10 ohm-cmKapton® HN in damp heat; IPC-TM-650; Method 2.5.17
 1.00e+17 ohm-cm1.00e+17 ohm-cmper ASTM D257-91 for Kapton® HN
Dielectric Constant 3.2
@Frequency 1000 Hz		3.2
@Frequency 1000 Hz		Use evaporated metal electrodes, two terminal system of measurement at standard conditions.; ASTM D150
Dielectric Strength 244 kV/mm6200 kV/inFlat 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 0.0015
@Frequency 1000 Hz		0.0015
@Frequency 1000 Hz
 
Thermal PropertiesMetricEnglishComments
CTE, linear  20.0 µm/m-°C
@Temperature 20.0 °C		11.1 µin/in-°F
@Temperature 68.0 °F		Value for Kapton® HN
 32.0 µm/m-°C
@Temperature 100 °C		17.8 µin/in-°F
@Temperature 212 °F		Value for Kapton® HN
 40.0 µm/m-°C
@Temperature 250 °C		22.2 µin/in-°F
@Temperature 482 °F		Value for Kapton® HN
Specific Heat Capacity 1.09 J/g-°C0.261 BTU/lb-°FValue for Kapton® HN
Thermal Conductivity 0.120 W/m-K0.833 BTU-in/hr-ft²-°FValue for Kapton® HN
Maximum Service Temperature, Air 400 °C752 °FKapton® 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 °C-452 °FMaintains properties and flexibility
Glass Transition Temp, Tg 385 °C725 °FValue for Kapton® HN
Flammability, UL94 V-0V-0
 
Optical PropertiesMetricEnglishComments
Refractive Index 1.70
@Wavelength 589.3 nm		1.70
@Wavelength 589.3 nm		Value for Kapton® HN.  Na D line; ASTM D542-90

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