CEM-1 Double-Sided Copper Clad Board from Mexico
Double-sided copper clad laminate using CEM-1 phenolic resin and glass fiber composite base, with refined copper foil laminated on both sides (thickness ≤0.15 mm). Common substrate for single and double-layer PCBs in consumer electronics. Classified under HTS 7410.21.3040 for its double-sided refined copper on plastics-impregnated glass construction.
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
• Ensure declaration specifies 'double-sided' configuration and provide cross-section photos if requested by customs
• Maintain supplier certifications for FR-4/CEM-1 compliance and copper purity to prevent reclassification