Kapton Tapes are UL Recognized and made from 5 Mil thick Kapton® HN film with silicone adhesive. They have been used in applications at temperatures as low as -73°C (-99°F) and as high as 260°C (500°F). DuPont™ Kapton® Polyimide Films have set the industry standard for over 45 years in high performance, reliability and durability, with a unique combination of electrical, thermal, chemical and mechanical properties that withstand extreme temperatures, vibration, and other demanding environments. Kapton® Tapes have a high dielectric strength. The silicon adhesive protection leaves no residue. Also available in 1 mil and 2 mil thickness.