C-110 Refined Copper Coil Strip 0.5mm Thick from China

A continuous coil of refined electrolytic tough pitch (ETP) copper alloy C-110, measuring 0.5 mm in thickness and exceeding 0.15 mm, used for electrical busbars and heat exchangers. It falls under HTS 7409.11.50 as refined copper strip in coils less than 5 mm thick. This high-conductivity material is refined to 99.9% purity.

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

Verify copper purity exceeds 99.5% with mill test certificates to confirm 'refined copper' classification

Ensure thickness measurement is precisely documented as under 5 mm but over 0.15 mm to avoid reclassification