FMVSS 302/ISO3795. RS Pro PVA Damping Sheet. RS Pro PVA Damping Sheet is designed for use within acoustic applications where high levels of damping vibration are required. The damping sheet is self-adhesive, lightweight and made from Visco-elastic polymer from polyvinylacetate. FEATURES and BENEFITS:. PVA Damping Sheet. Visco-elastic polymer material made from polyvinylacetate. Full self-adhesive backing. Can be cut to size and shape. Reduces vibrations on flat resonant surfaces. Suitable for use in cleanroom environments. APPLICATIONS:. Vehicle panels. Machine guards. Industrial plant. Stainless steel. Sinks. Preparation tables