Polyimide Discs are made from 1mil polyimide tape backing coated with high performance silicone adhesive, positioned on a 2mil fluorosilicone polyester release liner. This product is a high temperature film tape, 500 degree F, used for electrical and thermal insulation. The silicone adhesive means the tape has excellent release values. Discs are provided on liner, wound to a core, .750" DIA, 1000 pieces per roll