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Imidex®
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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NOTE: This material is no longer readily available from the manufacturer.
Contact Boedeker Plastics for equivalent or replacement material options.
GENERAL PROPERTIES
Imidex® 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 +446°F (+230°C). Imidex offers good dimensional stability combined with excellent chemical resistance -- there are no known solvents.

Imidex® polyimide film is similar to DuPont Kapton® material. It is manufactured by Westlake Plastics Company from Aurum® polyimide resin.

Imidex® 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

AVAILABILITY
Imidex® thermoplastic polyimide is offered in a single grade in thicknesses from .001" to .040", in rolls up to 26"wide.

NOTE: LIMITED sample quantities are
available for engineering evaluation only.
Manufacturer stock levels have not been established.
LONG LEADTIMES AND LARGE MINIMUM
ORDER QUANTITIES WILL APPLY.
( see also Kapton Film Specifications )

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TYPICAL PROPERTIES of IMIDEX POLYIMIDE FILM (0.001" at 73°F)

ASTM or UL test Property Imidex®
PHYSICAL
D792 Density (lb/in³)
(g/cm³)
0.048
1.33
D1894 Coefficient of Friction - Kinetic -
D1894 Coefficient of Friction - Static -
MECHANICAL
D638 Ultimate Tensile Strength (psi) 17,100
D638 Yield Point at 3% (psi) -
D638 Stress to Produce 5% Elongation (psi) -
D790 Ultimate Elongation (%) 110
D790 Tensile Modulus (psi) 440,000
D1922 Tear Strength - Propagating (Elmendorf) (lbf) 2.8
D1004 Tear Strength - Initial (Graves) (psi) 50.4
THERMAL
- Max Operating Temp (°F / °C) 446 / 230
D696 Coefficient of Linear Thermal Expansion
(x 10-5 in./in./°F)
3.1
- Glass Transition Temp (°F / °C) -
- Melting Point (°F / °C) 730 / 388
C177 Thermal Conductivity
(BTU-in/ft²-hr-°F)
(x 10-4 cal/cm-sec-°C)

0.11
0.43
UL94 Flammability Rating V-0
ELECTRICAL
D149 Dielectric Strength (V/mil) short time 6290
D150 Dielectric Constant at 1 kHz 2.5
D150 Dissipation Factor at 1 kHz 0.0014
D257 Volume Resistivity (ohm-cm)at 50% RH -
OPTICAL
D1003 Haze (%) 0.1
D1003 Light Transmission (%) 64
D542 Refractive Index (Sodium D Line) -

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.
IMIDEX is a registered trademark of Westlake Plastics Company.
AURUM is a registered trademark of Mitsui Chemical Company.
KAPTON is a registered trademark 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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