17 Plastics in extruded form for use in manufacture; packing materials; sealant materials; insulating materials; flexible hoses, not of metal; flexible pipes, pipes and fittings thereof, not of metal, including rubber valves; gaskets, insulating plaster and putties; materials and articles for waterproofing from water and humidity; insulating and barrier articles and materials (acoustic); articles and materials for thermal insulation; articles and materials for electrical insulation; articles and materials for sound insulation; fire resistant insulating materials and asbestos fire curtains; polyesters, not for textile use; semi-finished plastic substances; elastomers and synthetic resins, semi-processed; rubber material for recapping tires; ebonite molds; cushioning and packing material, vibration dampers; semi-processed plastic, rubber and resin membranes and filtering materials (semi-processed foams or films of plastic); adhesive tapes, strips, bands and films; elastomeric polymers in the form of blocks for use in manufacture; elastomeric polymers in the form of sheets for use in manufacture; insulating materials made of polyethylene foam; gutta-percha, elastic rubber, balata and their substitutes obtained from plastics and synthetic resins, in the form of wires, sheets, slabs, films, plates, blocks, tubes, bars, strips, drawn sections, and products manufactured with these materials, such as flexible hoses with or without coating; printed, dyed, lacquered, colored, metalized and coated plastic films, other than for wrapping; plastic laminates for use in manufacture, for thermal welding and vacuum-forming; plastic and polymer films for use in manufacture for coating drums and bottle caps; metalized and non-metallic adhesive tapes for industrial use, waterproofed and printed, to be used for covering, reconditioning, thermal insulating and cable insulation; gaskets for pipes; woven linen and woven hemp tubes, caps, packing, stopping and insulating pads, sealing rings for containers; small plastic parts, namely, gaskets and packing glands and other stopping and packing material; materials for caulking, stopping and insulation; plastic film for general industrial use in the manufacture of dry products; plastic in the form of blocks, sheets and/or rods for the production of semi-finished shapes for use in production; thermal insulation for aircrafts