Dovernox D-811 Blend of 1,3,5-tris (3,5-di-t-butyl-4-hydroxybenzyl )-s-triazine-2,4,6- (1H, 3H, 5H ) trione and bis ( 2,4-dicumylphenyl ) pentaerythritol diphosphite ICC Industries-Dover Antioxidant >> Phosphite Antioxidant >> Phenolic Coil Coating Powder coating Blend of phenolic and phosphite antioxidants. Used in paints and coatings. Antioxidants can be added to powder and coil coating formulations to prevent discoloration and loss of physical properties. . Dovernox 3114:Doverphos S-9228 1:1 Blend of phenolic and phosphite antioxidants. Used in powder and coil coating formulations. Prevents discoloration and loss of physical properties.