Unprocessed and semi-processed rubber, gutta-percha, gum, asbestos, mica and substitutes for all these materials, namely, raw and semi-worked rubber, gutta-percha, raw and semi-worked gum, asbestos, and mica; plastics and resins in extruded form for use in further manufacture; packing, stopping and insulating materials, namely, packing and insulating material; flexible pipes, tubes and hoses, not of metal; soundproofing materials; soundproofing materials for buildings; soundproofing blankets ...