Insulating Electrical Tape Tape Backing Material Rubber 1 in 10 ft 65 mil Black Voltage Rating 1 000 V Tape Adhesive Material Mastic 3M(TM) Scotch(R) 2228 Minimum Tape Performance Temperature 32 Degrees F Maximum Tape Performance Temperature 194 Degrees F Product Form Continuous Roll Tape Adhesive Format Self-Fusing