17 Rubber, raw or semi-worked; gutta-percha; gum, raw or semi-worked; unprocessed and semi-processed asbestos; mica, raw or partly processed; substitutes for unprocessed and semi-processed gutta-percha, namely, balata, artificial gutta percha, semi-processed thermoplastic polymer resins for use in manufacture; substitutes for unprocessed and semi-processed gum, namely, semi-processed resin; substitutes for unprocessed and semi-processed asbestos, namely, glass fiber fabrics, silica fiber fabrics, cellulose fibres, polyurethane foam, mineral wool and glass wool; substitutes for unprocessed and semi-processed mica, namely, semi-processed cellulose acetate, styrene-butadiene rubber, vulcanized fiber, acrylic rubber; resins in extruded form for use in manufacture; semi-processed resins; resins in extruded form for general industrial use; semi-processed plastics in extruded form for use in manufacture; semi-worked plastic substances; polyester, namely, semi-processed polyester resins; mineral fibers, namely, asbestos fibers; elastomers, namely, thermoplastic elastomer resins in pellet form for use in further manufacture; semi-processed natural resins; fibres impregnated with semi-processed synthetic resins for use in manufacture; plastic fibres, other than for textile use; threads of plastic materials, other than for textile use; recycled compound plastics in the form of bars, blocks, and pellets for use in further manufacturing; recycled compound plastics in the form of rods, sheets and tubes for use in further manufacturing; recycled plastics in extruded form for use in further manufacturing; plastic substances, semi-processed; foils of plastics, semi-finished products; laminated plastic materials for use in manufacture, namely, laminated plastic sheets, panels, films; semi-processed plastics in the form of sheets, films, blocks, rods and tubes; plastics materials in the form of strips in the nature of semi-finished products; plastics materials in the form of rods that are semi-finished products; plastics materials in the form of tapes that are semi-finished products; plastics materials in the form of sections that are semi-finished products; recycled rubber mixed with plastic material; synthetic rubber in the form of granules; pellets of recycled rubber for use in further manufacturing; synthetic rubber in the form of powders; packing materials, namely, packing materials made of plastics and rubber; stopping materials being material for thermal insulation and fire protection, namely, fire-resistant composite panels made of aramid, glass, carbon or ceramic fibers; insulating materials; non-metalic flexible pipes, tubes, hoses, and fittings therefor, including rubber valves