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Electrolytic Refined Copper Foil 0.1mm from Mexico

High-grade electrolytic refined copper foil, 0.1mm thick, unbacked, for flexible electronics and RF shielding. Classified under HTS 7410.11.00.00 due to its refined copper composition and thinness under 0.15mm without backing. Ideal for high-frequency applications requiring low signal loss.

Duty Rate — Mexico → United States

51%

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

Provide electrolytic production certification to confirm refined status versus copper alloys

Include thickness uniformity specs; customs may test samples for compliance

Avoid coiling with plastic liners that could be seen as backing; ship on wooden cores