plastic filler and toughener of plastic,c About Toughener of plastic. That mainly resolve the problems of enhancing toughness and strength and simultaneously possess the effect of streak elimination and brightness improvement. The effect is not friable compared with that of 100% raw material. that are the best toughening agent for plastic modification and adding filling materials. 2. plastic streak elimination and brightness improvement agent can not only efficiently remove all kinds of normal flaws when plastics are forming such as crack, streak, water mark and pied surface but also increase the toughness and strength of plastic goods made of plastic scrap and regrind plastics and the goods is not friable and show bright surface. And the other products and function masterbatch and so on.