</>Build with Tariff Intelligence|Programmatic access to tariff calculations and HS code classification.Explore Developer Resources →

Antimony-Bearing Copper Smelter Slag from China

Residue from copper smelting processes containing antimony and other metals, used in industry for metal recovery. Classified under HTS 2620.91.00.00 as slag containing antimony, not from iron or steel production, fitting chapter note for industrial metal extraction. Excludes municipal waste residues.

Duty Rate — China → United States

37.5%

Rate breakdown

9903.88.0325%Except as provided in headings 9903.88.13, 9903.88.18, 9903.88.33, 9903.88.34, 9903.88.35, 9903.88.36, 9903.88.37, 9903.88.38, 9903.88.40, 9903.88.41, 9903.88.43, 9903.88.45, 9903.88.46, 9903.88.48, 9903.88.56, 9903.88.64, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(e) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(f)
9903.05.3112.5%Section 301 (forced labor) — additional 12.5% ad valorem on products of China

Import Tips

Verify assay certificates for antimony and metal content to meet statistical reporting without deductions

Ensure documentation proves industrial use for metal extraction to avoid reclassification under waste codes

Comply with hazardous material regulations if cadmium or chromium levels trigger EPA scrutiny