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; materials for lagging; rubber tile and combination rubber and ceramic tile covering for protecting pulleys for belt-type conveyors

Articles made of ceramic materials, included but not limited to ceramic plates of all shapes and sizes; materials for lagging made of ceramic materials; ceramic tile covering for protecting pulleys for belt-type conveyors