Wholesale best price Gallnut extract 93% Tannic acid Food grade

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Product description

Wholesale best price Gallnut extract 93% Tannic acid Food grade

Product Description

What Is tannic acid?

Tannic acid is an organic substance with the chemical formula C76H52O46, which is a tannin obtained from gallnut. It is yellow or light brown light non-crystalline powder or scale; odorless, slightly special smell, very astringent taste.

Product name	Tannic acid	Appearance	Light Brown powder
Botanical Source	Galla Chinensis Mill.	Test Method	UV
Specification	93%	Mesh	100% pass 80 mesh
eApplication	Industrial grade	Shelf Life	2 years

Function of tannic acid

1. Tannin is used as a viscosity reducer and fluid loss reducer for water-based drilling fluids and can improve the quality of filter cake. 2. Tannic acid can combine with protein to produce water-insoluble tannic acid protein, so adding it to shampoo can prevent the dissolution of hair fiber protein and protect the hair, and use it in nail products to increase nail strength.

3. Mainly used in medicine, ink, printing and dyeing, leather and metallurgy industries and water treatment. Tannin has the functions of flocculation, deoxidation, scale inhibition and sterilization in the water treatment process.

4. It can be used as a clarifying agent for low-alcohol wine and fruit wine. It can also be used as a leather tanning agent.

5. Tannic acid is used for chromium-free passivation of zinc coating

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