Oxoflex 1020 Modified polymeric phenol Sovereign Chemical Antioxidants >> Phenolic Rubber - Elastomer (Chloroprene, Butyl …) ADHESIVE This non-staining antioxidant has a high molecular weight and is designed for latex and dry rubber applications where maximum heat aging protection is desired. It also provides protection against oxidation and flex cracking. Will out perform bisphenol types, butylated p-cresol antioxidant types and expensive polyphenol types High molecular weight, non staining antioxidant. Designed for latex and dry rubber applications. Provides protection against oxidation and flex cracking. Offers heat aging protection.