From - DaTong Tech

3M Tape : 

3M™ EMI Shielding Tapes are designed for applications requiring reliable point-to-point electrical contact, particularly EMI shielding, grounding and static charge draining.

3M™ Conductive Cu/Ni Fabric Tape CN3190

3M CN-3190, 4 mil tape, has a Cu/Ni fabric backing with unique electrically conductive pressure sensitive acrylic adhesive.