Heavy Gauge C10100 Refined Copper Wire from China

C10100 grade refined copper wire with 11 mm cross-section, featuring 99.99% purity for audio equipment grounding and high-end electrical feeds. Classified in HTS 7408.11.30.00 due to refined copper material and dimension exceeding 9.5 mm limits. Meets UNS C10100 specifications for maximum conductivity.

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

Require UNS C10100 material certification with conductivity testing to confirm refined status

Measure cross-section at multiple points; ovality beyond tolerances can affect duty bracket

For defense contracts, ensure ITAR compliance even for commercial wire grades