Acrylonitrile most important application is for the production of polymer for textile fibers. Some Acrylonitrile co polymers have found specialty applications where good gas barrier properties are required along with strength and high impact resistance. metal replacing) plastic. A growing specialty application for acrylonitrile is in the manufacture of carbon fibers for high performance application in the air craft, defense, and aerospace industries. ABS is the most widely used engineering (i.e. Because of its reactivity, acrylonitrile can be used as a chemical intermediate. These applications include rocket engine nozzles, rocket nose cones, and structural components for aircraft and orbital vehicles where light weight and high strength are needed. Acrylonitrile is a key monomer for various polymeric consumer products.