9999E High Purity Electronic Grade Copper Wire Bar from China
Ultra-pure 99.99E refined copper wire bar for semiconductor bonding wire production. Under HTS 7403.12.00.00 as unwrought refined copper in wire bar configuration, distinct from alloys.
Duty Rate — China → United States
26%
Rate breakdown
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)
9903.05.860%Universal product exemption (U.S. note 52(b))
Import Tips
• Require supplier affidavits on oxygen/impurity levels (<10 ppm) for refined copper validation
• Opt for insured shipping due to high value and sensitivity to contamination during transit
• Monitor anti-dumping duties from specific origins like certain Asian producers