FoamStar S 125 Cognis Defoamers / Anti-Foaming Agents Acrylics/ Acrylates Polyvinyl Alcohol (PVOH) ADHESIVE FoamStar® S125 represents a novel series of defoamers based on new defoamer chemistry developed and patented by Cognis. It is the first new defoamer chemistry in over 30 years. FoamStar® S125’s advantages are: Non-Separating & Non Settling Extremely Effective in Polyvinyl alcohol, Acrylic and Vinyl Acrylic Adhesives Very good long term persistence as well as very good compatability Easy to incorporate Defoamer. Used in polyvinyl alcohol, acrylic and vinyl acrylic adhesives. Easy to incorporate. Provides non-separating and non settling, very good long term persistence as well as very good compatibility. Can be added at any point in the adhesive manufacturing process.