Lithium Niobate Crystals from Canada
Lithium niobate (LiNbO3) is a salt of niobic acid, used in optical waveguides and telecom devices as unworked crystals. Classified under HTS 2841.90.50.00 as other peroxometallic salts in raw form. Excluded from optical elements per chapter notes if unworked.
Duty Rate — Canada → United States
13.7%
Rate breakdown
9903.05.2910%Except for products described in headings 9903.05.85–9903.05.93, articles the product of Canada, as provided for in U.S. note 52 to this subchapter
Import Tips
• Specify 'unworked' status in invoice; cut wafers go to 3818 per chapter note
• Provide crystal growth method docs to confirm chemical definition
• Anti-dumping scrutiny for Asian origins; use precise HTS