Drewplus TS-4550 Ashland-Drew Industrial Defoamer / Antifoaming agent >> Silicone Coatings >> Waterborne General Industrial /Maintenance Insoluble in water DREWPLUS TS-4550 is a foam control agent for use in water based coatings. This product is particularly recommended for industrial coatings, which are spray applied. The DREWPLUS TS-4550 exhibits a superb balance between activity and compatibility. This product gives excellent micro foam release in both clear and pigmented systems. DREWPLUS TS-4550 is a blend of silica, paraffinic oil, glycols and silicones. Blend of silica, paraffinic oil, glycols and silicones. Used as a foam control agent in coatings. Possesses a very good balance between activity and compatibility. Exhibits micro foam release in both clear and pigmented systems.