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DuPont™ Kapton® 100HN Polyimide Film, 25 Micron Thickness
Categories: Polymer; Film; Thermoset; Polyimide, TS; Polyimide, Thermoset Film

Material Notes: Film thickness 25 micron (1.0 mil)

All purpose polyimide film. Can be laminated, diecut, slit, formed, or adhesive-coated. 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.

DuPont and Dow have completed their merger but further transactions/spinoffs are planned.

Available Properties
  • Density
  • Water Absorption, 24 hr/23°C. ASTM D570
  • Moisture Absorption at Equilibrium, 50% RH; 23°C
  • Water Vapor Transmission, 25 µm film; ASTM E-96-92
  • Oxygen Transmission, 25 µm film; ASTM D1434-82; 50% RH
  • Thickness
  • Film Tensile Strength at Yield, MD, ASTM D882-91, 25 µm film; 3% yield point, orientation not specified
  • Film Elongation at Break, MD, ASTM D882, Orientation not specified
  • Poissons Ratio, Avg. three samples elongated at 5%, 7%, 10%
  • Secant Modulus, ASTM D882
  • Impact Test, Impact strength per DuPont Pneumatic Impact Test
  • Coefficient of Friction, Dynamic, film to film; ASTM D1894-90
  • Coefficient of Friction, Static, film to film; ASTM D1894-90
  • Tear Strength Test, ASTM D1004-90, N Graves (Initial) value
  • Elmendorf Tear Strength MD, ASTM D1922-89, Orientation not specified
  • Film Tensile Strength at Break, MD, ASTM D882, Orientation not specified
  • Electrical Resistivity, in damp heat; IPC-TM-650; Method 2.5.17
  • Electrical Resistivity, per ASTM D257-91
  • Dielectric Constant
  • Dielectric Constant, ASTM D150, Use evaporated metal electrodes, two terminal system of measurement at standard conditions.
  • Dielectric Strength, ASTM D149-81, Flat sheets in air placed between 1/4 in diameter brass electrodes with 0.8 mm (1/32 in) edge radius subjected to 60 cycles AC voltage at 600V/s rate of rise to the breakdown voltage.
  • Dissipation Factor
  • Dissipation Factor
  • CTE, linear, ASTM D696-91
  • CTE, linear
  • CTE, linear
  • Specific Heat Capacity, Differential Calorimetry
  • Thermal Conductivity, ASTM F433-77
  • Maximum Service Temperature, Air, Kapton® 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, Maintains properties and flexibility
  • Glass Transition Temp, Tg, A 2nd order transition occurs in Kapton® between 360-410°C (680-770°F) and is assumed to be the Tg
  • Flammability, UL94
  • Oxygen Index, ASTM D2863-87
  • Refractive Index, ASTM D542-90, Na D line
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