RK-83S is a emulsion type polyether modified organic antifoam. Compared to traditional defoamer, it is stable under strong acid, high temperature, high shear system. It has good defoaming & antifoaming performance, and safe to use. RK-83S is suitable used in the pesticide industry, textile printing&dyeing production processes, especially in high temperature overflow dyeing processes. It can also used in other typical high temperature, high shear, extreme pH environments.