Naugard 635 N-phenyl-styrenated benzenamine Crompton Antioxidants >> Amine ADHESIVE Naugard ® 635 Naugard ® 635 is a liquid styrenated diphenylamine for use as an antioxidant in wire and cable, adhesive, and elastomer applications. Naugard 635 can easily be incorporated into various matrices and can be synergistically combined with hindered phenolic antioxidants. FDA regulated Liquid physical form Economical Liquid styrenated diphenylamine. Used as an antioxidant in adhesive applications. Possesses compatibility with various matrices and elastomers. Can be synergistically combined with hindered phenolic antioxidants.