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
9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 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