The Techni-Pro Kapton Disc has a 3" core, a 3.4 mil thickness, and a silicon adhesive type. It has a performance temperature of 500 degrees Fahrenheit. The discs are on a clear, slit back liner for easy removal. Available in 1/4" to 3/4" width, and 1000 to 2000 per roll.

Dots made of polyimide film with a silicone adhesive can protect a PCB's gold contact during wave soldering and hot air leveling processes. It's also designed for insulating coils at high temperatures for capacitors, transformers, and generators. It complies with UL material specifications.