ITEM NAME:Foil-Tape Copper-Foil Conductive Double-Lead High-Temperature-Resistant Sealed.Double-sided conductive. Double-conductor~ is also conductive inside, and the copper outside can also be conductive! Colloidal Composition: Conductive Adhesive (Heat-Sensitive Acrylic Adhesive). 2 Double Side Conductive Copper Foil Tapes.