17 Plastics in extruded form for use in manufacture; plastics in extruded form for use in manufacture consisting mainly of plastic, including metallic and non-metallic components, in particular in the form of fibers, comprising; plastics in extruded form for use in manufacture in the form of films, rods, blocks, pipes, cylinders, tubes, rings, slabs; plastics in extruded form for use in manufacture in the form of films, rods, blocks, pipes, cylinders, tubes, rings, slabs consisting mainly of plastic, including metallic and non-metallic components, in particular in the form of fibers, comprising; moldings, being plastics in extruded form for use in manufacture; moldings, being plastics in extruded form for use in manufacture, consisting mainly of plastic, including metallic and non-metallic components, in particular in the form of fibers, comprising; plastics in the form of moldings and injection molded parts; insulators of plastic against heat, cold, impact and/or noise, in particular in the form of slabs, balls, moldings, chips or shredding; packing materials of plastic, stopping materials of plastic, and insulating materials; sealants, sealing cord, sealing rings