For some brightly colored clothes, if the fading is severe, it's time to change. As bright colors fade, the lighter the color, the older the clothes look, and the unaesthetic will naturally affect the wear. So how do you take care of these brightly colored clothes so they don't fade and become unwearable? Under normal circumstances, the fabric will be fixed color treatment. How to choose the correct color fixing agent for different fabrics?Jeans are specially used for color fixing agent for direct dyes, reactive dyes, sulfide dyes after dyeing printing and color fixing.And does not contain free formaldehyde, no special smell and irritation, contact with the skin will not produce dermatitis, in addition to the separate color fixing process, can also be used with non-ionic and cationic finishing agent in the same bath, can significantly improve the phenomenon of poor wet fastness after dyeing denim fabric. The aldehyde-free color fixing agent of the invention hardly changes the original color, maintains the brightness of the primary color, and does not affect the hand feel. It has good washing fastness and wet handling fastness to prevent dye migration during drying.Acid fixing agent is used for acid dye or metal complexing dye after dyeing color fixing treatment, is wool, nylon (nylon), silk, leather products and other anionic dyes (acid dye and metal complexing dye) dyeing fibers specially used fixing agent. After treatment, the dye wash fastness and sweat fastness are effectively improved.It has little effect on fabric color and feel.Good acid resistance, conducive to chemical operation.Now we advocate environmental protection, so we developed an aldehyde-free color fixing agent.Aldehyde-free color fixing agent is a polymer synthesized by a special process. It is a kind of environmental-friendly product without formaldehyde, no special smell and no irritation.The color fastness index of fabric is improved obviously after treatment with aldehyde-free color fixing agent.For red, sapphire blue, dark black fabrics have excellent color fixing effect, less color change, do not affect the feel.Mainly used for cotton, woven fabrics.