17 raw and semi-processed rubber, gutta-percha, gum, asbestos, and mica; Extruded plastic in the form of bars, blocks, pellets, rods, sheets and tubes for use in manufacturing; Extruded plastic in the form of sheets, namely plastic laminates and heat sealable plastic sheeting for use in manufacturing; extruded plastics for use in manufacture, namely, stuffing and padding materials; packing and insulating materials; flexible hoses, not of metal; flexible pipes, tubes, hoses, and fittings therefor, not of metal; sealing materials, sealants for buildings and fillers for expansion joints; building insulation and acoustical insulation barrier panels; unprocessed and partially processed materials, namely, insulating fabrics made from polyester, mineral plastic fibres not for textile use, elastomer expansion joints, plastic fibres not for textile use impregnated with synthetic resins; synthetic and composite materials, namely, carbon fibers not for textile use, semi-processed cellulose acetates, glass wool for insulation; chemical fiber thread and yarn not for textile use; microporous semi-processed plastic synthetic sheets for the manufacture of protective clothing, work protective clothing, rain protective clothing and for use in further manufacture; microporous semi-processed plastic synthetic strips for the manufacture of protective clothing; self-lubricating cast nylon for use in manufacture, namely, heat shrink nylon tubing for covering electrical wire and nylon grommets; synthetic fibre materials, other than for textile use, for use in the manufacture of hook and loop fasteners; viscose films and sheets, other than for packaging and wrapping purposes, made from semi-processed plastic for use in the manufacture of circuit boards; yarns of ceramic enamel fibre insulation for industrial molten metal furnaces; semi-processed synthetic resins; semi-processed plastics; shock-absorbing insulating and packing materials, joint packaging for flexible pipes being pipe jointing compounds; vibration dampening blankets; semi-processed synthetic foams and films of plastic in then nature of filtering materials for the water, gas and air industries; adhesive tapes, strips, bands and plastic films for industrial or commercial packing use; clutch lining and semiprocessed brake linings materials; tire restoration and repair materials, namely, rubber materials for recapping tires; anti-corrosion tapes; acoustic insulation panels, not of metal