Red Mud Vanadium Bearing Sludge from Mexico
Sludge form of red mud from alumina production with vanadium content, mainly aluminum. Classified HTS 2620.40.00.30 as residues for extraction uses. Chapter note (b) allows if arsenic present, but primarily metal-focused.
Duty Rate — Mexico → United States
10%
Rate breakdown
9903.05.5510%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.94, articles the product of Mexico, as provided for in U.S. note 52 to this subchapter
Import Tips
• Sludge requires liquidity tests for shipping; prove industrial intent
• Avoid landfill waste misclassification