Dragonox®-P-EPQ is a phosphite antioxidant. As an auxiliary antioxidant, it can react with hydroperoxides generated in the process of processing and in the process of polymer automatic oxidation, thus preventing the degradation caused by processing and playing a synergistic effect with the main antioxidant.
Appearance | White crystal powder | |||||
Content of 2,4-Di-tert-butylphenol | ≤3.5% | |||||
Content of Phosphorus | 5.4-5.9% | |||||
Acid value | 5.0 mg KOH/g | |||||
Melting Point | 100-110℃ | |||||
Loss on drying | Loss on drying | |||||
Volatile | ≤0.5% | |||||
Transmittance |
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