Partially processed plastics; molded parts made of plastics, in particular molded parts made of polyimide; plastics in the form of sheets, film, blocks, rods, tubes, pipes and hoses; polyimides in the form nature of sheets, film, blocks, rods, tubes, pipes and hoses; plastics, in particular made of polyimides, in extruded form for production purposes; sealing, packing and insulating materials made of plastics; sealing, packing and insulating materials made of polyimides; polyimide in the form...