Defoamer Product name Features Packaging DAPPO H-205N Silicone emulsion type defoamer for versatille use. Effective for high temperature and high alkaline waste water. In generall use for waste water, no adverse effect to waste water from activated sludge treatment process. Net 18kg can DAPPO H-312 Versatile for waste water with less oil spot. Effective to waste water from activated sludge treatment. Net 17kg canNet 200kg drum CONTACT(Quotes / Documents / Samples)