Modified dimethyloldihydroxyethylene urea. Crosslinker for low formaldehyde, washfast resin finishing of woven and knitted fabrics composed of cellulosic fibres and their blends with synthetic fibres. High reactivity and extremely low formaldehyde values according to LAW112 and AATCC 112. Conforms to the formaldehyde limits of kko-Tex Standard 100 (75ppm according to LAW 112) without afterwashing.