copper foil: Description: aluminum foil tape Shielding effectiveness: 10MHz 1GHz 60dB copper 55dB aluminum - 55 ° + 155 markup After the glue with electrical conductivity Copper 0.010 ohms Aluminum 0.010 ohms/inch Conductive copper aluminum foil tape purposes Sealing EMI shielding, shell and electronic equipment juncture Winding cable shielding Provide a reliable ground surface Electrostatic discharge