Film Tapes

KT-805 5 mil

Polyimide Pressure-Sensitive Adhesive Tape

For over two decades, KT-805 has been the premier choice for all your electrical insulation and masking needs. It is used in the production of a wide array of products from cell phones to satellites and everything in between.

5 mil polyimide film with a silicone adhesive system, designed for high temperature masking applications, including the protection of printed circuit board gold finger contacts during wave soldering. Used in electrical insulation applications meeting class H requirements.  KT-805 5 mil is thin and conformable enabling masking of uneven surfaces, has a wide operating temperature range up to 500°F, is excellent for electrical insulation and removes cleanly without adhesive residue after exposure to heat /chemical.

Application Ideas:

  • Mask for protection of gold fingers of printed circuit boards during wave solder
    or solder dip process.
  • Release surface in fabrication of parts cured at elevated temperatures.
  • Widely used for electrical insulation on transformer, motor, coils, PCB making and so on.


This item is stocked in logs and can be custom converted to your requirements.

* Sizes disclaimer: Sizes listed above are generally in stock, however, lead times may apply depending on stock levels. Please contact Keystone Tape & Supply for information related to stock and non-stock sizes.

Formerly known as T805, T-805.