Conductive Electrical Tape, Tape Backing Material Copper, 2 in, 18 ft, Tape Color Copper, Tape Sub-Type General Purpose Foil, Tape Adhesive Material Acrylic, 2.6 mil, 3M(TM), 1181, Minimum Tape Performance Temperature -40 Degrees F, Maximum Tape Performance Temperature 266 Degrees F, Voltage Rating 600 V, Shielding Effectiveness Fair (50 to 70dB), Liner Included Yes, Product Form Continuous Roll, Tape Adhesive Format Single-Sided