Bayer Process Red Mud Slag from China
Alkaline iron-aluminum residue from digesting bauxite ore in alumina production, with significant aluminum hydroxides. Classified in HTS 2620.40.00 for its main aluminum content and use in metal/compound recovery industries. Excludes steel-making byproducts.
Duty Rate — China → United States
12.5%
Rate breakdown
9903.05.3112.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of China, as provided for in U.S. note 52 to this subchapter
Import Tips
• pH testing mandatory; alkaline residues >12.5 may trigger hazardous material surcharges
• Use ISRT codes for residue type; specify non-municipal origin