Pre-Dilution for Wider Dosing Coverage BWF160 Pre-Diluted Defoamer for Drip and Spray Application BWF160 is a nonionic silicone defoamer that may be pre-diluted with clean cold water for wider drip or spray coverage in wastewater treatment plants. Product ModelBWF160 Ionic CharacterNonionic pH6-8 Reference Dosage50-300 ppm Application Overview Neat-product dosing may not spread evenly when the feed rate is small or the foam occupies a broad surface area. BWF160 may be pre