Rhodoline 681-F Rhodia Defoamers / Anti-Foaming Agents ADHESIVE RHODOLINE 681-F is a general purpose liquid defoamer, recommended for use in latexes, paints, and inks. Rapid bubble break Excellent persistence on aging tests Good shelf stability in drum Easily incorporated. For best results, RHODOLINE 681-F should be used as received. As a starting point for lab evaluation, using 0.1% to 0.5% based on total formulation weight is recommended. General purpose liquid defoamer. Offers rapid bubble break, very good persistence on aging tests, good shelf stability in drum, and easy incorporation. Use level: 0.1% to 0.5%.