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DuPont Kapton ®
Polyimide Film Specifications

904 West 6th Street, Shiner, Texas 77984 USA
Phone: 1-361-594-2941     Fax: 1-361-594-2349     E-Mail: info@boedeker.com

1-800-444-3485

BPI Home Page | Applications | Materials Guide | Contact Us!

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GENERAL PROPERTIES
DuPont Kapton® polyimide film is a high performance polymer which combines excellent physical, electrical, and mechanical properties at temperatures as low as -452°F (-269°C) and as high as +752°F (+400°C). DuPont Kapton® offers excellent dimensional stability combined with excellent chemical resistance -- there are no known solvents. DuPont Kapton® is a product of DuPont.

DuPont Kapton® polyimide film is Amber in color.

TYPICAL APPLICATIONS
• wire and cable tapes • formed coil insulation • flexible printed circuit board substrates • motor slot liners • magnet wire insulation • transformer and capacitor insulation • magnetic and pressure-sensitive tapes • tubing

DuPont TM KAPTON® GRADES
DuPont Kapton® HN
Standard-grade Kapton® HN film excels in low and high temperature environments. Type HN film can be laminated, metallized, punched, formed, or adhesive coated. It is available in thicknesses from 0.0003" (7.5 µm) up to 0.005" (125 µm).

DuPont Kapton® VN
This grade has all of the properties of Type HN, plus superior dimensional stability. Type VN is also available in thicknesses from 0.0003" (7.5 µm) up to 0.005" (125 µm).

Other DuPont Kapton® Grades
Other grades are available with the following attributes: antistatic, thermally conductive, ptfe coated, cryogenic insulation, corona resistant, etchable, pigmented for color, and conformable.
( see also Vespel, Cirlex Film, and Imidex Film Polyimide Specifications )

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TYPICAL PROPERTIES of KAPTON POLYIMIDE FILMS (0.001" at 73°F)

ASTM or UL test Property DuPont Kapton® HN
PHYSICAL
D792 Density (lb/in³)
(g/cm³)
0.051
1.42
D1894 Coefficient of Friction - Kinetic 0.48
D1894 Coefficient of Friction - Static 0.63
MECHANICAL
D638 Ultimate Tensile Strength (psi) 33,500
D638 Yield Point at 3% (psi) 10,000
D638 Stress to Produce 5% Elongation (psi) 13,000
D790 Ultimate Elongation (%) 72
D790 Tensile Modulus (psi) 370,000
D1922 Tear Strength - Propagating (Elmendorf) (lbf) 0.07
D1004 Tear Strength - Initial (Graves) (psi) 1.6
THERMAL
- Max Operating Temp (°F / °C) 752 / 400
D696 Coefficient of Linear Thermal Expansion
(x 10-5 in./in./°F)
1.1
- Glass Transition Temp (°F / °C) 725 / 385
- Melting Point (°F / °C) none
C177 Thermal Conductivity
(BTU-in/ft²-hr-°F)
(x 10-4 cal/cm-sec-°C)

0.83
2.87
UL94 Flammability Rating V-0
ELECTRICAL
D149 Dielectric Strength (V/mil) short time 7700
D150 Dielectric Constant at 1 kHz 3.4
D150 Dissipation Factor at 1 kHz 0.0018
D257 Volume Resistivity (ohm-cm)at 50% RH 1.5 x 1017
OPTICAL
D1003 Haze (%) -
D1003 Light Transmission (%) -
D542 Refractive Index (Sodium D Line) 1.70

NOTE: The information contained herein are typical values intended for reference and comparison purposes only. They should NOT be used as a basis for design specifications or quality control. Contact us for manufacturers' complete material property datasheets.
All values at 73°F (23°C) unless otherwise noted.
KAPTON, CIRLEX and VESPEL are registered trademarks of DuPont.
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Boedeker Plastics, Inc.
904 West 6th Street, Shiner, Texas 77984 USA
USA TOLLFREE : 1-800-444-3485
Phone: 1-361-594-2941     Fax: 1-361-594-2349     E-Mail: info@boedeker.com

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