MatWeb - Material Property Data Advertise with MatWeb!     Register Now
Data sheets for over 180,000 metals, plastics, ceramics, and composites.
MatWeb - Material Property Data HOME  •   SEARCH  •   TOOLS  •   SUPPLIERS  •   FOLDERS  •   ABOUT US  •   FAQ  •   LOG IN    
Recently Viewed Materials (most recent at top)  

Login to see your most recently viewed materials here.

Or if you don't have an account with us yet, then click here to register.

  Searches:   Advanced  | Category  | Property  | Metals  | Trade Name  | Manufacturer  | Recently Viewed Materials
Rulon Bearings
Professional Plastics Kaptrex® Polyimide Film
Categories: Polymer; Film; Thermoset; Polyimide, TS; Polyimide, Thermoset Film

Material Notes: Kaptrex polyimide film provides an excellent balance of electrical, mechanical, thermal, and chemical properties over a wide range of temperatures. Kaptrex film provides excellent electrical properties and resistance to high temperature and radiation. It is suitable for insulation of “H” class (180°C or 356°F) electrical machines and appliances under working temperature of 200°C(392°F).

Availability: Thickness from .001” up to .005” Widths: Standard Rolls for 24.5” wide.

Applications: Wire Wrap Insulation & Tapes, Flexible Printed Circuits, Motor Slot Liners, Pressure Sensitive Tapes, Aerospace Shims, Formed Coil Insulation.

Available Properties
  • Density
  • Film Elongation at Break, MD
  • Film Elongation at Break, TD
  • Film Tensile Strength at Break, MD
  • Film Tensile Strength at Break, TD
  • Volume Resistivity
  • Volume Resistivity
  • Surface Resistance
  • Dielectric Constant
  • Dielectric Strength, 50 Hz
  • Dielectric Strength, 50 Hz
  • Dielectric Strength, 50 Hz; Average is > 80 kV/mm
  • Dissipation Factor
  • Maximum Service Temperature, Air, insulation of “H” class
  • Maximum Service Temperature, Air, electrical machines and appliances
Property Data

This page displays only the text
of a material data sheet.

To see MatWeb's complete data
sheet for this material (including
material property data, metal
compositions, material suppliers,
), please click the button below.

Manufacturer Notes:

Category Notes

Some of the values displayed above may have been converted from their original units and/or rounded in order to display the information in a consistent format. Users requiring more precise data for scientific or engineering calculations can click on the property value to see the original value as well as raw conversions to equivalent units. We advise that you only use the original value or one of its raw conversions in your calculations to minimize rounding error. We also ask that you refer to MatWeb's terms of use regarding this information. Click here to view all the property values for this datasheet as they were originally entered into MatWeb.


Please read our License Agreement regarding materials data and our Privacy Policy. Questions or comments about MatWeb? Please contact us at We appreciate your input.

The contents of this web site, the MatWeb logo, and "MatWeb" are Copyright 1996-2024 by MatWeb, LLC. MatWeb is intended for personal, non-commercial use. The contents, results, and technical data from this site may not be reproduced either electronically, photographically or substantively without permission from MatWeb, LLC.