3M electrical tape 44HT is a combination polyester film/polyester web coated with a rubber thermosetting pressure sensitive adhesive. The tape is a high-tack, puncture resistant, conformable tape with excellent electrical properties. 3M composite film tape 44HT is excellent for economical, general purpose insulation, anchoring and banding in motors and transformers. It combines the high dielectric strength and edge tear resistance of polyester film and nonwoven polyester mat for a conformable product with great puncture resistant and electrical properties.