EVONIK CORPORATION › SURFYNOL® DF 220 SURFYNOL® DF 220 $0.00 SURFYNOL® DF 220 is an effective defoamer concentrate based on mineral oil wax technology. Silicone free and contains no fumed silica. Quantity: Add To Cart Added! SURFYNOL® DF 220 is an effective defoamer concentrate based on mineral oil wax technology. Silicone free and contains no fumed silica. You Might Also Like SURFYNOL® DF 75 SURFYNOL® DF 110D SURFYNOL® DF 62 SURFYNOL® DF 37 SURFYNOL® DF 178