Naugard 10 for Plastics Tetrakis[methylene(3,5-di-t-butyl-4-hydroxyhydrocinnamate)]metha Crompton Antioxidants Polyolefins (PE, PP…) Naugard® 10 for Plastics Tetrakis[Methylene(3,5-di-t-butyl-4-hydroxyhydrocinnamate)]metha Crompton Naugard® 10 for Plastics is a versatile antioxidant capable of giving excellent processing stability and long term heat aging characteristics. It is used in a variety of polymers where elevated processing temperatures are encountered. It is particularly effective in high density polyethylene and polypropylene. Tetrakis[methylene(3,5-di-t-butyl-4-hydroxyhydrocinnamate)]metha. Used as a versatile antioxidant. Gives very good processing stability and long term heat aging characteristics. Used in a variety of polymers where elevated processing temperatures are encountered. Provides good efficiency in high density polyethylene and polypropylene.