High-Purity Lithium Oxide from China
High-purity lithium oxide (Li₂O >99.9%) used in specialty glass for optical fibers and as a dopant in ferroelectric ceramics. Classified under HTS 2825.20.00.00 as chemically pure lithium oxide for advanced materials applications.
Duty Rate — China → United States
28.7%
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)
9903.03.030%Articles the product of any country, as provided for in subdivision (aa)(ii) of U.S. note 2 to this subchapter
Import Tips
• ICP-MS analysis required to verify electronic-grade purity levels
• Inert atmosphere packaging mandatory to prevent CO₂ absorption
• Distinguish from phosphor-doped oxide under 3206 luminophores exclusion