Tego Coating Additives and Specialty Resins has introduced Tego Foamex 843 for waterborne wood coating formulations. The use of Foamex 843 results in fast and complete foam knock-down, preventing micro- and macro-foam, with good compatibility and excellent long-term persistence, according to the company. Foamex 843 is compatible with a variety of water-based resin systems including acrylic emulsions, styrene acrylic emulsions, polyurethane dispersions and hybrid resins. Foamex 843, based on innovative defoamer technology, is a formulation of polyethersiloxanes and organic polymers containing fumed silica. More info: Tego Coating Additives and Specialty Resins, (804) 541-8658, (800) 446-1809; Web: www.evonik.com.