17 Unprocessed and semi-processed rubber, gutta-percha, gum, asbestos, mica and substitutes for all these materials; Plastics for use in manufacture, in extruded form; Packing, stopping and insulating materials; Flexible hoses, not of metal; Flexible pipes, tubes, hoses, and fittings therefor, including valves, non-metallic; Seals, sealants and fillers; Insulation and barrier articles and materials; unprocessed and partially processed materials included in this class not adapted for a specific use, namely, polyester, mineral fibres, elastomers, fibres impregnated with synthetic resins; synthetic and composite materials, namely, carbon fibres, cellulose acetates, optic fibres and glass wool; cast nylon for use in manufacture; chemical fibres not for textile use; microporous synthetic sheets for the manufacture of protective clothing work protective clothing, rain protective clothing and for use in manufacture; microporous synthetic strips for the manufacture of protective clothing; self-lubricating cast nylon for use in manufacture; viscose films, other than for packaging and wrapping purposes; viscose sheets, semi-finished product; yarns of ceramic fibres, other than for use in textiles; Semi-worked synthetic resins; Semi-worked plastics; Shock-absorbing and packaging materials; Vibration dampers; Membranes and semi-processed synthetic filtering materials; Adhesive tapes, strips, bands and films; Clutch and brake linings; Tire restoration and repair materials; Anti-corrosion tapes; floral foam; fixation films; Marking tapes; Glass ribbons and tapes; Rubber pouches; Protective asbestos screens; Rubber bands; Handles and supports of rubber; Threads of plastic for soldering; Statues and works of art, namely, decorative articles, badges, made of mica, Decorative articles, badges, made of rubber, Figurines made from rubber; decorative plastics films being semi-finished products