3M™ Cotton Cloth Tape is a white cotton cloth backing with a rubber thermosetting, pressure-sensitive adhesive. It is abrasion resistant, and offers good mechanical strength.
3M™ Cotton Cloth Electrical Tape 65 is a 9.7 mil, white cotton cloth backing with a rubber thermosetting, pressure-sensitive adhesive. UL Recognized for use at temperatures not exceeding 105 °C.