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Lake Copper Refined Sheet 5.5mm Thick from Mexico

Lake Superior refined copper sheet, 5.5mm thick, traditional for artistic casting molds. Classified HTS 7409.19.10.00 as refined copper exceeding 5mm. Known for fine grain structure.

Duty Rate — Mexico → United States

53%

Rate breakdown

9903.82.0250%Except as provided for in headings 9903.82.14, 9903.85.67 and 9903.85.68, articles of aluminum, of steel or of copper and derivative aluminum or steel articles, as provided for in subdivisions (c)(i)–(v) of U.S. note 16 to this subchapter
9903.05.900%Articles already subject to Section 232 (steel/aluminum/copper + derivatives, autos + parts, wood, medium/heavy vehicles + parts, semiconductors, patented pharma) — U.S. note 52(f)

Import Tips

Historical grade documentation helps prove refined copper lineage

Confirm no lead content exceeding trace levels per purity standards

Package to prevent surface scratches affecting 'sheet' vs 'worked' status