3M Polyester Film Electrical Tape 56 is a versatile electrical tape designed for layer insulation and coil cover applications. Featuring a 1-mil yellow polyester film backing and a thermosetting rubber adhesive, this tape provides reliable performance up to 130°C. It is UL recognized, RoHS compliant, and offers a balance of electrical, mechanical, and chemical resistance, making it suitable for various industrial and electrical applications. The tape's adhesive coating is smooth and uniform, ensuring consistent adhesion without the need for heat or moisture.