17 Raw or semi-worked rubber, gutta-percha, raw or partly processed gum, asbestos, mica; goods made from rubber and gum, namely, insulating and acoustical tiles, thermal acoustical tiles, insulating tiles for sealing and damping, insulating and acoustical tile mats, hoses for industrial applications, valves, custom mouldings, sealing gaskets, sealing strips, semi-finished insulating strips, semi-finished crude rubber sections, semi-finished crude rubber shaped parts, insulating coatings, semi-finished plastic and foam sign blanks; rubber material for recapping tires; plastics in extruded form for use in further manufacture; packing and insulating materials; stopping material, namely, rubber stoppers for industrial packaging containers; flexible pipes, not of metal; plastic substances and plastic compound substances, partially processed; elastomeric polymers in the form of sheets and blocks or other semi-finished pre-shaped forms for use in the manufacture of fishing products and accessories; thermoplastic elastomers, namely resins in pellet form for use in further manufacture; chemical compounds for use as motor fuels, as additives for combustion processes, for foodstuffs, for high-temperature applications, for purposes of media resistance and in the fields of pharmacy, medicine, cosmetics, water and waste-water management and acoustic sound absorption and isolation; chemical compounds as semi-finished goods for use in manufacture, essentially consisting of plastics, elastomers, elastomers polymers, resins in extruded form, rubber, gum