Synsorb-NYST is a multinational additive tailored for processing of polyamides(nylon). It can significantly improve the polyamides’melt processing stability, long term stability and light stability; it has outstanding compatibility and low volatility which can meet the high temperature processing request of polyamide resins; In addition stabilizer Synsorb-NYST can improve the apparent property of polyamide fiber and nylon injection molded products with smooth surface.