17 Rubber, gutta-percha, gum, namely, synthetic rubber in the form of bars, blocks, pellets, rods, sheets and tubes; and products made from these materials not included in other classes, namely, packing materials of rubber, rings of rubber, for industrial and commercial use, for general use, for use as insulation, for use in building and construction, and for use as a building insulation; rubber, gutta-percha, gum, namely, synthetic rubber bushings, namely, for industrial and commercial use, for general use, for use as insulation, for use in building and construction, and for use as a building insulation, weather strips for buildings, and packing, insulating tape, sealants, namely, for general industrial use, for use in sealing and insulating, for use in further manufacture, for use in manufacturing in a wide variety of industries; products made of semi-processed plastics, namely, semi-worked synthetic plastic and synthetic resins as semi-finished products in form of pellets, rods, foils, foams, fibers, films, and sheets; semi-processed polyurethane in foam form; blocks made of thermosetting resins and semi-processed synthetic foams of polyurethane and rubber; acrylic resins; adhesive tapes other than for medical, stationery or household purposes, namely, for industrial and commercial use; insulators for electrical cables, for electric mains, for use as a building insulator, and for use in sealing, namely, non-metal sealing rings for use as connection seals, polyurethane film for use in sealing and insulating, sealing plugs made primarily from rubber, and insulating, namely, insulating aerospace, automobile and building elements, ceramics, furniture, electric and electronic materials, sports equipment, personal care products, and decorations; synthetic resins, namely, thermoplastic elastomer resins in pellet, rod, foil, foam, fiber, film and sheet forms for use in manufacturing in a wide variety of industries