Sacrificial Magnesium Hull Anode from Japan
A consumable magnesium anode designed for cathodic protection of marine vessel hulls during electrolysis in saltwater environments. It attaches to the ship's hull and corrodes preferentially to protect the steel structure. Classified under HTS 8543.30.90.40 as a magnesium anode for electrolytic processes.
Duty Rate — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of Japan, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 12.5 percent, as provided for in U.S. note 52 to this subchapter
Import Tips
• Verify magnesium purity exceeds 99% for anode efficiency; obtain mill test certificates proving composition
• Common pitfall: misclassifying as general scrap metal
• Ensure proper hazardous material declarations if packaged with fluxes