Soundproofing materials; Electrical insulating tape; Polypropylene films for building; Non-metal pipe muffs; Non-metal flexible tubing; Plastic sheets for use in the manufacture of displays, signs and packaging; Padding materials of rubber or plastic; Washers of rubber for waterproof sealing; Plastic conduit for plumbing use; Pipe joint sealant; Anti-corrosion tape; Flexible PVC pipes; Waterproof packings for building; Adhesive tape for industrial and commercial use; Plastic sheeting for agri...