Most used in the production of caprolactam poly caprolactam, which is used to produce about 90% of synthetic fibers, namely Capron, 10% of the plastic used for the manufacture of gears, bearings, pipe, medical equipment and electrical insulation materials. Also used in paints, plastics agents for the synthesis of small amounts of lysine and the like. Part is also used for making caprolactam resin, fiber and leather, pharmaceutical raw materials.