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.
composite plastic in the form of sheets, tape, blocks and tiles for use in the manufacture of aircraft components such as fairings, aircraft ribs, aircraft wing skins, aircraft blocker doors, standard structural members such as "c" and "u" channels and "i" beams, laminates, doctor blades (used to maintain a constant surface of chemicals on industrial rollers), x-ray plates for medical equipment, piping and pipe liners for "downhole" applications, standard and custom orthotic inserts, reinforcements for shoes, rotating compressor components, corrosion resistant pump housings, anti-earthquake bridge supports, natural gas vehicle fuel tanks, automotive bumper reinforcements, rail and ship components, intermodal components, guard rails, light poles, and concrete reinforcements