Drewplus TW-4501 Ashland-Drew Industrial Defoamer / Antifoaming agent >> Silicone-free >> Mineral oil Defoamer / Antifoaming agent >> Silicone-free >> Silica-based Coatings Inks Architectural / Decorative Insoluble in water DREWPLUS TW-4501 is a foam control agent for use in coatings, printing inks and pressure sensitive adhesives. This product is particularly recommended for flat and semi-gloss decorative paints. Excellent compatibility is combined with superb persistency. DREWPLUS TW-4501 is a non-ionic proprietary formulation of silica- and wax derivatives and mineral oil. Non-ionic formulation of silica- and wax derivatives and mineral oil. Used as a foam control agent for coatings, decorative paints and printing inks. Offers very good compatibility and persistency.