The Dragonox®-168 is high-effective phosphite antioxidant, it acts as a secondary antioxidant and reacts during processing with hydroperoxides formed by autoxidation of polymers improving effective protection of polymers’ color. It is also blended with several kinds of primary antioxidants. The Dragonox®-168 is widely applied in PE, PP, PS, PA, PC, ABS and many other polymer materials.