Surfynol DF-40 Air Products Defoamers / Anti-Foaming Agents Surfactants Acrylics/ Acrylates ADHESIVE >> Water-based Surfynol DF-40 defoamer is a silicone-free, organic product. It is designed as an antifoam and dewebber for latex dipping processes, such as glove manufacturing. In addition, Surfynol DF-40 defoamer is also well-suited as an antifoam for acrylic-based coatings and printing inks, as well as acrylic- and polyvinyl alcohol-based adhesives. compared with the competitive silicone dewebber. compared with the competitive silicone dewebber. For other applications, Surfynol DF-40 defoamer may be used as received or pre-emulsified in water. If pre-emulsified, do not dilute to less than 10% by weight. Typical as-supplied use levels range from 0.05−1.0% by weight on total formulation weight. For best results, determine the appropriate dosage for your particular system through a lab ladder study. Surfynol DF-40 defoamer, like all emulsifiable antifoam products, can exhibit slight phase separation over extended storage or temperatures above 38°C (100°F) and should be mixed before use. Silicone-free, organic defoamer for acrylic and polyvinyl alcohol-based adhesives.