TD-9000 is special anionic surfactants with side chains with excellent dispersion and solubility enhancing effects to disperse dyes and oligomers. It is excellent leveling agent for the dyeing of polyester or polyester blended fabrics. The dyed product has clear hue of color, and has no whiting. A low foaming products, it is widely used in various dyeing or processing equipment. TD-9000 has comparatively high compatibility with other agents and marked enhances their effects. It is also suitable for CD-PET/R-PET dyeing bath, and can effectively prevent the color spots caused by the coagulation of the dyes in a bath with both anionic and cationic dyes. It is the first choice for the processing of polyester and its blended fabrics.