1. Alkaline problemWhen cotton fabric is pretreated, it is usually treated with high concentration of alkali to remove fabric impurities. Alkali entering the fiber is not easy to clean, and alkali should also be added when dyeing (reactive vat dyes). Therefore, the cloth surface may be alkaline duri

For dyeing and printing dark fabrics with reactive dyes, sulfide dyes and direct dyes. Especially black and bright red, sometimes the wet rubbing fastness is required to reach grade 3 or above. Especially for orders exported to Europe, America and Japan, the requirements for wet friction are more st

Daily chemical washing thickener has strong formula practicability. It is mainly used for different gloss paint formulations, and has excellent performance in a variety of emulsion systems.Daily chemical washing thickener and non-ionic polyurethane leveling agent have excellent formula compatibility

What is a fixing agent?Color agent or fixing agent is one of the important additives in the printing and dyeing industry. It can improve the color fastness of dyes on fabrics. A fixing agent can form insoluble colored substances with dyes on the fabric to improve the washing and perspiration fastnes