Lithium Tungstate Crystals from China
Lithium tungstate (Li2WO4) crystals serve in nonlinear optics and as flux in metallurgy, falling under HTS 2841.80.0050 as other tungstates. Classified here as unworked chemical compound per electronics doping note.
Duty Rate — China → United States
30.5%
Rate breakdown
9903.91.0125%Effective with respect to entries on or after September 27, 2024, articles the product of China, as provided for in subdivision (b) of U.S. note 31 to this subchapter
9903.05.860%Articles provided for in subdivision (b) of U.S. note 52 to this subchapter
Import Tips
• Specify if doped for electronics; cut wafers shift to 3818
• Include origin certificate for critical mineral scrutiny
• Differentiate from lithium carbonate (2836) in assays