3M(TM) Damping Foil 2552 Silver, aluminum foil constraining layer coated with a pressure-sensitive viscoelastic polymer on a poly-coated paper easy-release liner. 3M(TM) Damping Foil Tape 2552 helps damp vibrations on metal and plastic surfaces vibrating at their natural (resonant) frequency, consists of a pressure-sensitive viscoelastic polymer and aluminum foil constraining layer that effectively converts vibrate