3M AM1205-0.440-RL Polyimide Film Electrical Tape is a high-performance insulation tape designed for demanding electrical and industrial applications. Featuring a 3 mil polyimide film construction and a 0.440-inch width with a 36-yard roll length, this electrical tape provides reliable dielectric insulation, excellent dimensional stability, and strong resistance to heat. Its flexible polyimide backing conforms easily to components, making it suitable for insulating wires, coils, transformers, motors, and other electrical assemblies. As part of the Essex Active & Flexible Insulation electrical tape range, 3M AM1205-0.440-RL delivers dependable performance where thermal endurance, electrical insulation, and durability are essential.