Antifoam Storage and Shelf-Life Control BWF160 Antifoam with One-Year Shelf Life and Freeze Protection BWF160 is a nonionic silicone antifoam emulsion with a stated one-year shelf life under normal-temperature storage and a requirement for protection from freezing. Product ModelBWF160 Ionic CharacterNonionic pH6-8 Reference Dosage50-300 ppm Application Overview Emulsion quality can be affected by extended storage, freezing and poor stock rotation. BWF160 has a stated one-year