17 Acoustical insulation barrier panels; acoustical tiles; acoustic insulating materials, namely, acoustic screens for insulation, lightweight mineral wool slabs for acoustic insulation purposes, laminates containing polyamide foams for acoustic insulation, ceilings for acoustic insulation, walls for acoustic insulation, insulating adhesives being insulating tapes and adhesive sealants, and adhesive insulating tapes for technical purposes; adhesive-coated polypropylene foils for use in manufacture and not for packing; acoustic baffles for soundproofing purposes; insulating coatings for acoustic purposes; adhesive bands, other than stationery and not for medical or household purposes; adhesive caulking compounds