Nonionic Foam Control BWF160 Nonionic Silicone Antifoam Agent for Water Treatment Applications Product ModelBWF160 Ionic CharacterNonionic pH6-8 Reference Dosage50-300 ppm Application Overview A defoamer must work within a treatment chemistry that may already contain coagulants, flocculants, salts and process additives. BWF160 is identified as a nonionic product, supporting broad evaluation in complex water-treatment programs without adding an ionic charge demand of its own.