Tannic Acid is a natural polyphenol (hydrolysable tannin) supplied as a light yellow to brown powder. It precipitates proteins and complexes metals.
- Leather Industry: Tanning and retanning agent.
- Textile Industry: Mordant for dyeing cotton.
- Beverages: Clarifying agent in wine and beer.
- Inks & Metal Treatment: Iron gall inks and rust converters.