Insulating Electrical Tape Tape Backing Material Rubber 3 3/4 in 6 1/2 in 125 mil Black Voltage Rating 1 000 V Tape Adhesive Material Mastic 3M(TM) Scotch(R) 2229 Minimum Tape Performance Temperature 32 Degrees F Maximum Tape Performance Temperature 100 Degrees F Product Form Strips Tape Adhesive Format Self-Fusing Package Quantity 40