Doverphos S-480 Tris (2,4-di-tert-butylphenyl) phosphite ICC Industries-Dover Antioxidants >> Phosphite Acrylics/ Acrylates Rubber - Elastomer (Chloroprene, Butyl …) PU - Prepolymers Polyvinyl Chloride (PVC) Polyolefins (PE, PP…) ADHESIVE Tris (2,4-di-tert-butylphenyl) phosphite. Used as secondary antioxidant in adhesives. Tris (2,4-di-tert-butylphenyl) phosphite. Used as secondary antioxidant in adhesives.