17
Rubber, gutta-percha, gum, asbestos, mica and goods made from these materials and not included in other classes; plastics in extruded form for use in manufacture; packing, stopping and insulating materials; flexible pipes, not of metal.
semifinished products, namely, sheets, plates, rods, sticks, ribbons, strips, extruded string, tubes, flexible tubes, unlined pipes, junctions, collars in the nature of flanges, chock blocks, seals, packings, chafing or wearing rings, bearings, shaft-protecting sleeves, washers, anti-extrusion rings, membranes, distance bushings, all these goods being of composite material, with a thermoplastic matrix, namely, made of poly ether ether ketone (peek), polyimides (pi), polyphenylene sulphide (pps), polyimides (pa), polyfluoroalkoxy (pfa), and fillers of continuous carbon, aramide, glass or polytetrafluoroethylene (ptfe), for use in pumps, valves, compressors, moorings, moving parts on oil and gas exploration rigs and well pads and other industrial rotating machinery