Pipe gaskets; plastics in extruded form for use in manufacturing packing and insulating materials; non-metal flanges; sealing and insulating materials; non-metal valve rings for use as connection seals; sheets of graphite-based material for use as gaskets; non-metal sealing rings for use as connection seals; rubber cords in form of rings; non-metal stuffing rings, sealing rings, oil and grease seals, dust seals, all goods for technical purposes or for hydraulic applications