3M polyester film electrical tape 5 is a general purpose polyester tape with acrylic adhesive. Designed for insulating applications requiring a thin, durable tape with high dielectric strength. It can withstand higher-temperature conditions than tapes with acetate cloth backings. - A single-coated tape, it features an adhesive system that offers resistance to most common cleaning solvents. Conformable, exhibits excellent chemical, solvent and moisture resistance and resists cut through and abrasion.