Doverphos 613 Alkyl (C12-C15) bisphenol A phosphite ICC Industries-Dover Antioxidant >> Phosphite Coatings >> Powder Coatings Coil Coating Powder coating Alkyl(C12-C15) bisphenol A phosphite. Used as an antioxidant in paints and coatings. Antioxidants can be added to powder and coil coating formulations to prevent discoloration and loss of physical properties. Alkyl(C12-C15) bisphenol A phosphite. Used as an antioxidant in powder and coil coating formulations. Prevents discoloration and loss of physical properties.