Conductive Electrical Tape Tape Backing Material Aluminum 1 in Tape Color Silver Tape Sub-Type General Purpose Foil Tape Adhesive Material Acrylic 4 mil 3M(TM) 1120 Minimum Tape Performance Temperature -40 Degrees F Maximum Tape Performance Temperature 265 Degrees F Voltage Rating 600 V Shielding Effectiveness Fair (50 to 70dB) Liner Included Yes Product Form Discs Tape Adhesive Format Single-Sided Imperial Tape Shape Diameter 1 in Package Quantity 250