Ethaphos 368 tris-(2,4-di-t-butylphenyl)phosphite 31570-04-4 Albemarle Antioxidants >> Phosphite Polyolefins (PE, PP…) ADHESIVE ETHAPHOS 368 antioxidant is a phosphite processing stabilizer with good hydrolytic stability. It acts synergistically with phenolic antioxidants during polymer processing to minimize changes in color and polymer viscosity. ETHAPHOS 368 antioxidant can be used in combination with phenolic antioxidants,acid neutralizers, UV stabilizers, and other functional additives. Phosphite antioxidant. Possesses good hydrolytic stability. Acts synergistically with phenolic antioxidants during polymer processing to minimize changes in color and polymer viscosity. Can be used in combination with phenolic antioxidants, acid neutralizers, UV stabilizers, and other functional additives.