3M EMI tin-plated copper foil shielding tape 1183 is a 2.6 Mil tin-plated copper foil designed for applications requiring reliable point-to-point electrical contact, particularly EMI shielding, grounding and static charge draining. - 3M tin-plated copper foil tape 1183 consists of a 1 oz dead soft tin-plated copper foil backing and an electrically conductive, pressure sensitive acrylic adhesive. This tape is supplied on a removable liner for easy handling and die-cutting. It has excellent solderability.