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.
compression molded plastic parts made from high performance polyamide-imide polymers; namely, seals, wear rings, washers, bushings, bearings, gears, wear pads, rider bands, actuators, housings, insulators, bobbins, piston rings, retainer rings, valve plates, impellers, rotors, vane guides, splines, and valve seats, for use in rotating equipment