Non-Formaldehyde Color Fixing Agent can be prepared by the reaction of mono or polyfunctional amine group with a polycondensate. It is a strong cationic agent having colorless to light yellow colored appearance. This chemical is used to improve the wet fastness & weather fastness of textiles and also brightens fabric color. Non-Formaldehyde Color Fixing Agent works by binding to the anionic molecules of dye, forming the insoluble fiber deposition on both sides of the cloth.
It creates a combination of hydrogen bond & van Edward forces with dye
Applied during drying process
Has high charge density