Rubber, gutta-percha, asbestos, mica and their substitutes, in the raw or semi-manufactured state; semi-manufactured products, namely plastics or resins in extruded form for use in manufacturing processes; sealing, packing and insulating materials; flexible tubes, hoses and pipes [not of metal]; Waterproof packaging materials; waterproof sealing compounds; coated vapor barriers; treated paper for insulating purposes; adhesive sealants; insulating adhesives; thermal insulation material; insula...