RK-03P is a kind of powder defoamer suitable for foaming environment of macromolecule in water system. It has excellent defoaming & antifoaning performance, stable in high temperature and strong alkali environment. It’s widely used in aqueous foaming system control. Chemical is stable, not toxic, not corrosive, and not sensitive to acid&alkali, it is suitable for use in textile sizing temperature range of 70-130 ℃.