NAUGARD® PHR phosphite by SI Group is phosphite antioxidant. It is used as a stabilizer of rubber at levels of 1-1.5 phr RHC and plastics at <0.5% in combination with phenolic antioxidants. This... view more

NAUGARD® TNPP HR phosphite by SI Group is an antioxidant used to improve hydrolysis resistance. It is used as a stabilizer for SBR, BR, NBR and EPDM (Royalene®) polymers. This antioxidant prevents... view more