The preservation of historical artifacts, particularly those made of ferrous metals like iron and steel, presents unique challenges to conservators. Rust and ongoing corrosion can severely degrade these invaluable objects, erasing their stories and physical integrity. Fortunately, Tannic Acid (CAS 1401-55-4) offers a time-tested and highly effective solution for metal corrosion inhibition, playing a crucial role in the conservation and restoration of our shared heritage.


Tannic Acid works by reacting directly with the iron corrosion products (rust) to form a stable, inert compound, often black or dark blue in appearance. This newly formed protective layer passivates the metal surface, effectively preventing further oxidation and deterioration. This process is particularly beneficial for archaeological finds or objects exposed to damp environments, where active corrosion is a constant threat. When you buy rust treatment chemicals, look for high-purity Tannic Acid to ensure optimal results without introducing additional contaminants to sensitive artifacts.


The application of Tannic Acid in historical object conservation is a delicate yet powerful technique. After cleaning and stabilization, a dilute solution of Tannic Acid is carefully applied, allowing it to penetrate and react with the corrosion. The resulting dark finish not only protects but can also aesthetically integrate with the artifact, providing a stable visual outcome. It’s a method widely embraced by museum professionals and independent restorers globally for its efficacy and long-term stability.


For conservation professionals and restorers, sourcing high-quality conservation chemicals supplier is paramount. NINGBO INNO PHARMCHEM CO.,LTD. is a dedicated supplier of premium Tannic Acid, ensuring that our product meets the stringent requirements for artifact preservation. We understand the precision and care required in conservation work, providing a consistent and reliable chemical that supports the meticulous efforts to safeguard historical treasures. Partner with NINGBO INNO PHARMCHEM CO.,LTD. to ensure your metal artifacts are protected for generations to come, using the most effective rust treatment available.