Corrosion of ferrous metals represents a significant challenge across various industries, leading to costly damage and compromising structural integrity. NINGBO INNO PHARMCHEM CO.,LTD. offers a highly effective solution with its Tannic Acid Powder 90% Gallnut Extract, a superior tannin powder metal corrosion inhibitor. This specialized chemical is renowned for its ability to passivate and inhibit rust on iron-based objects, providing robust, long-lasting protection.


The mechanism behind tannic acid’s efficacy as a corrosion inhibitor is fascinating. When applied to ferrous metals, it reacts with the existing corrosion products, primarily iron oxides, to form a stable, insoluble iron tannate complex. This black or dark blue compound acts as a protective barrier, effectively sealing the metal surface and preventing further oxidation. This passivation process is crucial for preserving historical artifacts, industrial machinery, and infrastructure components, extending their lifespan and reducing maintenance costs. Businesses looking to purchase tannin powder metal corrosion inhibitor will find our product meets the highest standards of purity and performance.


Unlike some other corrosion treatments, tannic acid leaves a residue that continues to offer protection even if moisture reappears on the surface. This rehydration capability ensures ongoing defense against environmental factors that typically accelerate corrosion. Its application is widespread in industrial maintenance, manufacturing, and even in the conservation of metal objects, offering a reliable and proven method for rust prevention. NINGBO INNO PHARMCHEM CO.,LTD. stands as a leading tannic acid supplier, committed to providing advanced solutions for industrial corrosion prevention buy strategies worldwide.


Our Tannic Acid Powder is especially valuable for treating objects where a non-invasive, yet effective, solution is required. While it does impart a dark coloration to the treated metal, this visual change is often acceptable, particularly in industrial settings or for specific conservation purposes. For clients seeking a high-performance ferrous metal passivation agent, NINGBO INNO PHARMCHEM CO.,LTD. delivers exceptional quality, ensuring that every application provides maximum protection against the relentless forces of corrosion. We offer competitive tannic acid price per kg, making this critical industrial protection accessible and economically viable for your operational needs.