* Maximum Temperature: 500°F * K22 is Thin and Conformable, Enabling Masking of Uneven Surfaces * Removes Cleanly without Adhesive Residue After Exposure to Heat and/or Chemicals * Resistant to Chemical Attack * Flame-Retardant and Excellent Electrical Insulation **Product Description:** Our K22 polyimide film tape combines a 1.5 mil high temperature pressure sensitive adhesive with a 2.0 mil flexible carrier to create a tape product which is perfect for high temperature masking needs. Typical applications include the protection of printed circuit board gold finger contact leads during wave soldering. Typical applications include the electrical insulation of high temperature coils, motors and transformers meeting Class H requirements. **Typical Applications:** Powder Coating, E-Coating, Wave Soldering, Circuit Board Insulation, and Hot Air Leveling. The product is UL approved for use in the electrical insulation applications meeting class H requirements. **Shelf Life:** Shelf life is 6 months from date of shipment when stored in a cool dry place below 76°F (24°C). Rolls should be stored end up. **Construction:** * Total Thickness 3.5 mils * Adhesive Thickness 1.5 mils * Carrier Thickness 2.0 mil * Adhesive Type Silicone * Carrier Type Polyimide * Color Amber **Specifications:** * Maximum Temperature (F) 500° * Tensile Strength (lbs/inch) 55 * Elongation (%) 60 * Peel Adhesion (oz/inch) 22 * Dielectric Strength (volts) 12000 * Government Specifications UL Number NA