RJ-V104 is a kind of high efficiency defoamer used in water phase system. It is easy to disperse in water and is easy to use. It has rapid defoaming effect and anti-foaming function in a wide range of pH and temperature, and can quickly eliminate foam. RJ-V104 is widely used in printing pulp, bleaching and dyeing, biological fermentation, water-borne auxiliaries processing, paper making, pesticide, washing, adhesive manufacturing and so on.