Dragonox®-626 is a kind of high-effective solid phosphite ester antioxidant.It is often blended with phenolic principal antioxidant (such as AO-1010) to prepare composite antioxidant which improves the thermo-stability of polymer processing.
It widely applied in PE, PP, PS, PA, PC, ABS and many other polymer materials.The general dosage is 0.1% - 0.3%.
Appearance | White crystalline powder or grains | |
Melting point,℃ | 170-180℃ | |
Volatile / % | ≤1 | |
Ash / % | ≤0.1 | |
Content / % | ≥95 |