Unprocessed and semi-processed rubber in the nature of raw or semi-worked rubber, gutta-percha, gum in the nature of raw or semi-worked gum, asbestos, mica and substitutes for all these materials, namely, elastic rubber-like material for use in the manufacture of clothing; plastics in the form of bars, blocks, pellets, rods, sheets, tubes and resins in extruded form for use in manufacture; flexible pipes, tubes and hoses, not of metal; sealants; sealing materials; foam rubber sealing material...