17 Synthetic resins as semi-finished products in form of pellets, rods, foils, foams, fibers, films and sheets; acrylic resins as semi-finished products in form of pellets, rods, foils, foams, fibers, films and sheets; epoxy resins as semi-finished products in form of pellets, rods, foils, foams, fibers, films and sheets; Packing and insulating materials; Stopping materials, namely, caulking; Sealant compounds for joints; Insulating plaster; Insulating varnish; Adhesive tapes and adhesive tape strips other than for medical, stationery or household use; Waterproof packings for industrial use and for building construction; Building materials in the nature of coatings, namely, silicone sealants for use on roofs, walls and pavements; Building materials in the nature of coatings, namely, rubber-based sealants for use on roofs, walls and pavements; Building materials in the nature of coatings, namely, resin-based sealants for use on roofs, walls and pavements; Building materials in the nature of coatings, namely, grout sealants for use on roofs, walls and pavements; Building materials in the nature of coatings, namely, polymer sealants for use on roofs, walls and pavements; Building materials in the nature of coatings, namely, adhesive sealants for use on roofs, walls and pavements; Building materials in the nature of coatings, namely, acrylic-based sealants for use on roofs, walls and pavements