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Single-Sided FR4 Copper Clad Laminate from Japan

A copper clad laminate sheet with a base of FR4 (flame-retardant epoxy resin impregnated with glass cloth) and copper foil on one side only, thickness under 0.15 mm excluding backing. Classified under HTS 7410.21.3020 as it meets the criteria for copper foil backed with plastics-impregnated glass having copper on one side only, used primarily for single-layer PCB fabrication.

Duty Rate — Japan → 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

Verify copper thickness excluding backing does not exceed 0.15 mm and confirm single-sided configuration via cross-section analysis

Provide material test reports certifying the base is wholly plastics-impregnated glass (e.g

FR4) to avoid misclassification