17 Semi-manufactured plastic products, namely, semi-processed plastics; [ weather striping compositions, water-tight and insulating material, namely, weatherstripping sealants in the nature of caulk; non metal flexible tubes, namely, flexible pipes, not of metal, and non-metallic flexible tubes of rubber, plastic; ] synthetic resins and plastics as semi-manufactures; synthetic resins and plastics as semi-manufactured products in the form of granules, fibres, threads, tapes, strips, films, foil, leafs, laminates, blocks, bars, rails, strings, tubes, pipes, membranes, sponges, profiles, sheets; [ plastic fibres as strengthening materials for use in the manufacture of sports products, surf boards, hockey sticks, helmets, skis and diving suits; packing, cushioning, and stuffing materials in the nature of rubber and plastic; ] compounds with a base of synthetic resins as semi-manufactures, namely, compounds composed of synthetic resins as semi-manufactured goods; composites with a base of fibre-strengthened synthetic materials or with a base of fibre-strengthened synthetic resins, namely, semi-manufactured composites composed of fibre strengthened synthetic rubber or fibre strengthened synthetic resins; [ elastomer granulates and rubber granulates, namely, thermoplastic elastomer resin granulates and rubber granulates for use in further manufacture; threads of plastic, not for textile use, for the manufacture of artificial turf and artificial turf mats; ceramic materials in the form of foil, tapes and sheets, namely, electrical ceramic insulators; semi-manufactured thermoplastic elastomers, namely, elastomer resins in pellet form for use in further manufacture; thermoplastic compositions and mixtures of plastics and synthetic rubbers with other materials as semi-manufactures, namely, thermoplastic compositions and mixtures composed primarily of plastics and synthetic rubbers and containing other materials as semi-manufactures; synthetic rubber in the form of raw materials and semi-manufactures; ] semi-manufactured synthetic resins in the form of polymerization products with a base of monomers, namely, semi-processed plastics; filling materials with a base of synthetic resins, namely, expansion joint fillers[; plastic fibres, yarn and thread, not for textile use, namely, for use in the manufacture of tire cord, and for use in the manufacture of other goods, and chemical fiber thread and yarn not for textile use; sheets and panels out of synthetic fibres included in this class, namely, sheets and panels of synthetic plastic for general industrial use; microporous plastic foil, not for packaging purposes, namely, microporous plastic as semi-finished products in the form of foils not for packaging purposes; semi-manufactures in the form of microporous plastic tapes, strips, sheets, foil and plastic threads, namely, semimanufactured microporous plastic tapes for use in construction and further manufacturing, strips, plastics in the form of sheets, foil and plastic soldering threads; membranes out of plastic as semi-manufactures for the production of microporous division walls and filters and for use in textile composites, namely, semi-manufactured membranes of plastic, namely, weatherizing membranes and vapor barriers for the production of microporous division walls and filters and for use in textile composites; semi-worked waterproof, vapour passing plastic foil, not for packaging; filtering and division materials out of plastic foil, namely, semi-processed plastic foils in the nature of filtering and division materials for industrial use and for use in further manufacturing ]