Megaface F-191 Dainippon Ink and Chemicals, Incorporated (DIC) Defoamer / Antifoaming agent Metal Slightly soluble in water Slightly soluble in toluene Insoluble in heptane Soluble in propanol Anionic, brown paste. Shows demolding and low foaming properities. Used in metal surface finish. Anionic, brown paste. Shows demolding and low foaming properities. Used in metal surface finish.