Bayer Process Red Mud Slag from Canada
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 — Canada → United States
10%
Rate breakdown
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
Import Tips
• pH testing mandatory; alkaline residues >12.5 may trigger hazardous material surcharges
• Use ISRT codes for residue type; specify non-municipal origin