Material plastic Compared with PA6, PA66 is more widely used in the automotive industry, instrument housings and other products that require high impact resistance and high strength requirements. Specifically used in the manufacture of mechanical, automotive, chemical and electrical components, such as gears, rollers, pulleys, rollers, impellers in the pump body, fan blades, high pressure seals, valve seats, gaskets, bushings, various handles , support frame, inner layer of wire package, etc.