KY Crystal Ingot from Mexico
Potassium Titanyl Phosphate (KTP) single crystal ingot, flux method grown, over 2.5g for nonlinear optics. Classified HTS 3824.99.1900 as cultured crystal not optical element. Used in frequency doubling lasers.
Duty Rate — Mexico → United States
16.5%
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
• Composition analysis confirming KTiOPO4 formula required
• Raw ingot form only; cut crystals risk Chapter 90 classification
• Handle as chemical preparation with proper MSDS