"improves color fastness color fixing agent"

SR-606 is a formaldehyde-free cationic rubbing fastness promoter. It forms a durable color film inside fibers, enhancing dye adhesion. Improves wet rubbing fastness by 1-1.5 grades with soft hand feel and minimal color change.

Nonionic white powder with strong chelating & dispersing properties. Excellent reducing capacity across wide pH range for polyester & blends. Removes floating color, improves color fastness after dyeing.

Eco-friendly fixing agent for cellulosic fibers. Improves soaking, soaping & wet rubbing fastness without formaldehyde. Cationic copolymer ensures durable color retention.