The 92 TAPE 25MM X 33M is a Polyimide Film Electrical Tape, 1mil polyimide film backing with silicone adhesive. Its silicone pressure sensitive adhesive allows it to be used at 356°F (180°C) and it is UL510 Flame retardant. For high temperature electrical applications in which a tough, thin insulating material is required for wrapping coils, transformers, capacitors, wire harnesses and for anchoring leads/terminal boards. It also is used in printed circuit board assembly as a wave solder masking tape.