Octolite 504 2,2'-Methylenebis (4-methyl-6-tert-butylphenol) Tiarco Chemical Antioxidants >> Phenolic Rubber - Elastomer (Chloroprene, Butyl …) ADHESIVE 2,2'-Methylenebis (4-methyl-6-tert-butylphenol) Octolite 504 is a primary phenolic antioxidant which is effective in preventing thermal oxidation of SBR and Natural latex films, adhesives, and foams. This dispersion is ball-milled to a fine particle size for maximum activity. The recommended use level is 0.5 to 2.0 parts per hundred polymer. Octolite 504 is essentially non-staining but can cause some slight pink discoloration in certain applications. Aqueous anionic dispersion of a non-staining bisphenol antioxidant. Used in adhesives, latex films and foams. Can cause some slight pink discoloration in certain applications Use level: 0.5 to 2.0 parts per hundred polymer.