Insulating Electrical Tape, Tape Backing Material Rubber, 3/4 in, 30 ft, 30 mil, Black, Voltage Rating 69 kV, Tape Adhesive Material Rubber, 3M(TM), Scotch(R), 130C, Minimum Tape Performance Temperature Not Rated, Maximum Tape Performance Temperature 194 Degrees F, Product Form Continuous Roll, Tape Adhesive Format Self-Fusing