Rapid Surface-Foam Knockdown BWF160 Spray Defoamer for Sudden Wastewater Foam Buildup BWF160 is a nonionic silicone defoamer developed for rapid surface contact during foam emergencies and subsequent preventive-feed optimization. Product ModelBWF160 Ionic CharacterNonionic pH6-8 Reference Dosage50-300 ppm Application Overview Foam emergencies require fast surface contact, but a purely reactive approach can lead to repeated manual treatment. BWF160 supports drip or spray