Battery Grade Cuprous Oxide Nanoparticles from China
Nano-scale cuprous oxide (Cu2O) particles (20-50 nm) for lithium-ion battery electrode materials and supercapacitors. It is a chemically defined copper oxide under HTS 2825.50.20.00, classified by composition regardless of particle size.
Duty Rate — China → United States
42.5%
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)
9903.05.3112.5%Section 301 (forced labor) — additional 12.5% ad valorem on products of China
Import Tips
• Include TEM/SEM analysis confirming nanoparticle morphology and purity
• Declare as 'research chemical' if small quantities to expedite CBP review
• Check BIS export controls if dual-use technology applies to battery materials