semi-processed synthetic materials, not being designed for a specific use, namely, polyesters, mineral fibres not for textile use, extruded plastics, semi-processed plastics, elastomers, natural or plastic fibres not for textile use and being impregnated with artificial resins; synthetic and composite materials, namely, carbon fibres not for textile use; fiberglass for insulation; glass wool for insulation; cast nylon for use in manufacture other than of textiles; chemical fibres, not for tex...