Euro Sil NY, a micro emulsion of high viscosity reactive amino functional poly dimethyl siloxane fluid having satirically hindered amino group. It is designed for non –yellowing fabrics. This emulsion imparts a soft and smooth hand feel with improved wash and wear properties, crease recovery angle, sew ability, tear strength and reduces abrasion loss. The effects are fast to washing and dry cleaning. There is practically no adverse effect on shade or colour fastness properties of coloured goods.