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%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
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