Flexible pipes, not of metal; Washers of rubber or vulcanised fibre; Insulators for cables; Pipe gaskets; Junctions for pipes (not of metal); Clutch linings; Semi-processed plastics, Rubber, Gutta-percha, Gum, Asbestos, Mica and goods made from these materials, not included in other classes; Plastics in extruded form for use in manufacture; Packing, stopping and insulating materials.