Plastic materials and resins in extruded form used during manufacturing operations; packing and insulating materials; rubber stoppers for industrial packaging containers; flexible pipes not of metal; insulators, especially thermal insulators; packing, namely, cushioning and stuffing, materials of rubber or plastics; packaging materials, namely, industrial packaging containers of rubber; non-metallic hoses and flexible pipes; plastics in extruded form for use in manufacture; structural insulat...