PACKING MATERIAL FOR FORMING SEALS, SOUND INSULATING AND SOUND ABSORBING MATERIALS MADE OF PLASTICS, NAMELY, INSULATIONS FOR AIRCRAFT, INSULATION COVERS FOR INDUSTRIAL MACHINERY AND ACOUSTICAL INSULATION FOR BUILDINGS; INSULTING PRODUCTS MADE OF PLASTICS OR MADE MAINLY OF PLASTICS, NAMELY, ACOUSTICAL INSULATION BARRIER PANELS, HEAT AND ACOUSTICAL COMPOSITE INSULATING SHIELDS FOR AUTOMOBILES AND MACHINERY, AND PIPE INSULATION FOR EXHAUST PIPES OF VEHICLES; VEHICLE PIPES AND TUBES OF PLASTIC WI...