This standard specifies the classification and marking, mass requirements, test methods, inspection rules, and marking, Encasement, transportation and storage requirements of butyl rubber damping sheets. It is suitable for damping sheets made of butyl rubber, surface composite aluminum foil, non-woven fabric or Plastic film and other restraint layers. It is mainly used for vibration reduction, noise reduction and sound insulation. It is suitable for Machinery, Road Vehicles, Surface Ships and other fields.