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DuPont™ Kapton® MTB polyimide film is a black, homogeneous product with increased thermal conductivity over Kapton® HN. Its black color enhances its thermal radiation properties, making it ideal for applications requiring efficient thermal energy transfer, such as electrical insulating pads. In addition, it has excellent adhesion properties, making it compatible with difficult adhesion applications.

Applications

  • Electrical insulating pads
  • Loudspeaker voice coils

Electrical Properties of Kapton® MTB

Property 3 mil 5 mil
Dielectric Strength, kV/mil 1800 1600
Dielectric Constant 5.2 5.3
Thermal Conductivity .45 .45
Volume Resistivity 1012 1012

For a complete listing of MTB properties, click here .