FR-4 Copper Clad Laminate Sheet from China

A rigid laminate sheet made from FR-4 epoxy fiberglass substrate clad with thin refined copper foil on one or both sides, thickness under 0.15 mm excluding backing. Classified under HTS 7410.21.30 as copper foil backed with insulating material forming copper clad laminates for PCB production. Meets chapter definitions for refined copper foil backed with plastics-like substrate.

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

Verify copper foil thickness excludes backing and is ≤0.15mm; measure substrate separately to confirm classification

Provide mill test certificates proving refined copper purity and laminate specs to avoid reclassification as unfinished PCBs