High-Purity Cu Rectangle Extrusion from China

Extruded 99.99% pure refined copper rectangular profile for semiconductor heat sinks and precision components. HTS 7407.10.50.10 applies to this solid rectangular cross-section bar of refined copper. Tight tolerance ±0.001" dimensions.

Duty Rate — China → United States

36%

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

Provide extrusion process documentation proving solid rectangular (not hollow) construction

For cleanroom applications, include particle contamination specs in import declaration

Pre-qualify with customs via ruling for ultra-high purity claims above standard refined copper