Surfynol DF-57A Air Products Defoamer / Antifoaming agent >> Silicone Coatings >> Waterborne Surfynol® DF-574 defoamer is a self-emulsifying product formulated with organic and organo-modified silicone components. It was designed as a rapid knockdown defoamer for use in aqueous coatings and inks. Surfynol® DF-574 defoamer can provide effective removal of entrained air and foam generated during the manufacture of water-based coatings and inks. Self-emulsifying defoamer formulated with organic and organo-modified silicone components. Designed as a rapid knockdown defoamer for use in aqueous coatings. Can provide effective removal of entrained air and foam generated during the manufacture of water-based coatings.