Rubber, gutta-percha, raw or partly processed gum, asbestos, mica, all for use in further manufacturing; semi processed plastic in the form of films, sheets, tubes, bars or rods, and plastic tubes for use in manufacturing in a wide variety of industries; packing and insulating materials; stopping materials, namely, rubber stoppers, seals and gaskets for use in manufacturing in a wide variety of industries; flexible pipes not of metal; flexible rubber tubes; synthetic rubber and rubber rings, ...