Beryllium Copper 11mm Plate for Heat Sinks from Japan
11mm beryllium copper plate optimized for custom heat sink bases in electronics cooling. HTS 7409.90.10.30: thick (>5mm) beryllium copper alloy sheet/plate >0.15mm.
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
• Provide thermal conductivity data supporting beryllium copper claims
• Avoid machining before import—finished parts reclassify
• UL certification helpful for electrical heat sink applications