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Foam does not form in pure water ・Foam in clean water. The foam disappears immediately after reaching the surface. There is no stable foam. There is no foam in clean liquid.

The generation of air bubbles is generally undesirable not only during the production of paints, printing inks, and plastic materials but also in many processes. Defoamers and air release agents prevent and remove the occurrence of air bubbles, improving manufacturing processes and achieving excellent surfaces and optimal product characteristics. BYK's defoamers are used in various fields. The main types are: silicone-based defoamers, mineral oil-based defoamers, and polymer-based defoamers.