3M™ Polyester Film Electrical Tape 57 is a general purpose polyester tape with thermosetting rubber 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.
Conformable, exhibits excellent chemical, solvent and moisture resistance and resists cut-through and abrasion. 2-mil film thickness.