Irganox 245 DW Ethylenebis(oxyethylene)bis-(3-(5-tert-butyl-4-hydroxy-m-tolyl)propionate) Ciba Antioxidants >> Phenolic Polyvinyl Chloride (PVC) Phenolic primary antioxidant for processing and long-term thermal stabilization 40% active aqueous dispersion of a sterically hindered phenolic antioxidant It protects the substrates against thermo-oxidative degradation, degradation during manufacturing, processing and end-use. for the stabilization of PVC. In addition to imparting thermostability to the finished polymer IRGANOX 245 DW is effective as chain stopper during PVC polymerization. 40% active aqueous dispersion of a sterically hindered phenolic primary antioxidant. Protects against thermo-oxidative degradation during manufacturing, processing and end-use.