Calcium Nitride for LEDs from Mexico
High-purity calcium nitride precursor for green LED phosphors in displays. Classified HTS 2850.00.0500 as chemically defined calcium nitride. Vacuum-sealed for semiconductor processing.
Duty Rate — Mexico → United States
10%
Rate breakdown
9903.05.5510%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.94, articles the product of Mexico, as provided for in U.S. note 52 to this subchapter
Import Tips
• Cleanroom-compatible packaging and particle size analysis required
• Declare CVD/MOCVD end-use to justify semiconductor chemical status
• Avoid mixtures that trigger 3824 classification for deposition precursors