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Zinc Smelter Slag with Copper Content from Mexico

Residue from zinc smelting processes containing primarily zinc along with copper and arsenic compounds, used for metal recovery. Classified under HTS 2620.19.60.10 due to its main zinc content, copper presence, and industrial use in extracting metals. Excludes iron/steel slag and municipal waste ash per chapter notes.

Duty Rate — Mexico → United States

10%

Rate breakdown

9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico

Import Tips

Provide assay certificates detailing copper and zinc content without deductions as per statistical notes for accurate quantity reporting

Ensure documentation proves industrial use for metal extraction to avoid reclassification under heading 2621 for waste ash

Verify absence of iron/steel origin to prevent misclassification under other slag headings