Double lead foil; substrate: aluminum foil, conductive acrylic adhesive, sticky, strong adhesion. Performance: insulation, insulation, waterproof, good tack, cold is good, easy to tear, to eliminate electromagnetic interference (EMI), electromagnetic isolation of the human body, to avoid unwanted voltage or current to affect the function, mainly for computer monitors computer peripherals wire and transformer manufacturing central air conditioning pipes, smoke machines, refrigerators, water heaters and other joints of pipelines, wires, cables, precision electronic products, computer equipment; high-frequency transmission, isolation, electromagnetic interference, high temperature to prevent spontaneous combustion. In addition to the electrostatic discharge after the ground has a positive effect