Dymafix DM-2525 is a formulated with sulfite compounds, which is suitable for reduction clear process for polyester, polyester spandex, and other disperse dyestuff dyed fabrics, it can effectively remove the floating dyestuff on fabric surface and obtain high color fastness. It has the feature of small dosage, good effect of color fastness improvement and shortening the process. It can thoroughtly remove the floating dyestuff on fabric surface, achieve same color fastness as RC with hydro+caustic. Effectively improve the color fastness and color brilliancy, without affecting shade. It has outstanding effect under acidic condition (pH 3-4), after dyeing without drainage directly run reduction clear, can shorten the process, saving water. Good solubility, stable working fluid, small dosage, easy to use.