Megaface F-171 Dainippon Ink and Chemicals, Incorporated (DIC) Antiblocking agent Wetting agent/ Wet edge enhancer Coatings Insoluble in heptane Nonionic, light yellow liquid. Possesses wetting property. Used as paint additive, wetting agent and anti-blocking agent. Nonionic, light yellow liquid. Possesses wetting property. Used as paint additive, wetting agent and anti-blocking agent.