Barium Aluminate Crystals from Mexico
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 — Mexico → United States
3.1%
Rate breakdown
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
• 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