Fixing agent is one of the important additives in the printing and dyeing industry, which can improve the color fastness to moisture treatment of dyes on fabrics. It can form insoluble colored substances with dyes on fabrics, improving their washing and sweat fastness, and sometimes also enhancing their sun fastness.

Fixing agent is an auxiliary used to improve the color fastness of dyes to wet treatment on fabrics. It can form insoluble colored substances with dyes on fabrics, improving their washing and sweat fastness, and sometimes also enhancing their sun fastness.

Product Usage:

1. Used as a clarifying agent and stabilizer for alcoholic beverages in the food industry. It can also be combined with plant fibers to form solidified tannins, which can be used as alcohol filtration absorbents and for iron and decolorization of soy sauce.

2. Use in the leather industry. Tannic acid plays an important role in tanning leather, with good results, and leather does not contain toxic substances.

4. Used in medication.

5. Used in daily chemical products. Such as toothpaste, cosmetics, etc.