Barium Aluminate Crystals from Japan
Synthetic barium aluminate (BaAl2O4) single crystals grown via Czochralski method for laser host materials and scintillators. Falls under HTS 2841.90.40.00 as aluminate salts, provided unworked per Chapter notes (not optical elements 9001). Imported as cylindrical boules.
Duty Rate — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of Japan, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 12.5 percent, as provided for in U.S. note 52 to this subchapter
Import Tips
• Growth method and purity (>99.99%) certification required; declare as semiconductor material if doped
• Pitfall: cut wafers shift to 3818
• Export license may apply for dual-use tech