Vanox 13 Polyalkylpolyphenolphosphite R. T. Vanderbilt Antioxidants >> Phenolic Antioxidants >> Phosphite Rubber - Elastomer (Chloroprene, Butyl …) Natural rubber (NR) ADHESIVE >> Hot-melt VANOX 13 Polyalkylpolyphenolphosphite Non-staining, non-discoloring antioxidant for NR and synthetic rubber. Used effectively in cements and hot melts. Polyalkylpolyphenolphosphite. Used as a non-staining, non-discoloring antioxidant for NR and synthetic rubber in hot melt adhesives.