3M Tape 2191FR consists of a strong, flexible nickel on copper plated polyester ripstop fabric backing and a unique electrically conductive pressure sensitive acrylic adhesive.3M Tape 2191FR can be used in many applications such as grounding and EMI shielding in equipment, components, shielded rooms, etc. The unique metallized fabric backing offers the additional benefits of excellent flexibility and conformability, very light weight, and exceptional strength. The fabric backing also minimizes the possibility of finger laceration. This tape has a 5.3 mil nickel on copper plated polyester rip stop fabric backing with a conductive acrylic pressure sensitive adhesive. This tape is linered for easy die cutting, is lightweight, conformable, high strength and is resistant to oxidation, solvents and oils.