Naugard 445 for Rubber 4, 4’-Bis (alpha, alpha-dimethylbenzyl) diphenylamine Crompton-Uniroyal Chemical Antioxidants >> Amine Chloroprene Rubber (CR) Rubber - Elastomer (Chloroprene, Butyl …) Polyolefins (PE, PP…) ADHESIVE NAUGARD ® 445 Antioxidant 4, 4’-Bis (alpha, alpha-dimethylbenzyl) diphenylamine For BR, CR, nitrile (Paracril ® ) rubbers, EPDM (Royalene ® ), and SBR. The combination of high amine antioxidant activity, good color and low volatility makes it an ideal antioxidant and heat stabilizer for rubber and plastics. Very slightly staining and discoloring in sunlight. Relatively nondiscoloring during heat aging. Especially effective in polyisoprene, Neoprene, nitrile (Paracril), HNBR and acrylic rubbers. 4,4’-Bis (alpha, alpha-dimethylbenzyl) diphenylamine. Very slightly staining and discoloring in sunlight, relatively nondiscoloring during heat aging. Used as antioxidant for BR, CR, nitrile rubbers, EPDM, and SBR. Provides high amine antioxidant activity, good color and low volatility. Can be used as a very good heat stabilizer for rubber and plastics. Offers good efficiency in polyisoprene, neoprene, nitrile, HNBR and acrylic rubbers.