CEM-1 Double-Sided Copper Clad Board from China
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 — China → United States
38%
Rate breakdown
9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
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)
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