Conductive Electrical Tape, Tape Backing Material Copper Foil, 1/4 in, 54 ft, Tape Color Silver, Tape Sub-Type Ultra-Conductive Embossed Foil, Tape Adhesive Material Acrylic, 4 mil, 3M(TM), 1345, Minimum Tape Performance Temperature -40 Degrees F, Maximum Tape Performance Temperature 266 Degrees F, Voltage Rating 600 V, Shielding Effectiveness 66 dB, Product Form Continuous Roll, Tape Adhesive Format Single-Sided, Imperial Tape Shape Diameter Not Applicable, Package Quantity 36