Photochromic Transition Glasses from Mexico
Adaptive transition lenses darkening in sunlight while clear indoors, in lightweight metal frames. HTS 9004.90 as corrective/protective eyewear with photochromic technology responding to UV exposure. Automatic tint adjustment.
Duty Rate — Mexico → United States
12.5%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
Import Tips
• UV activation spectrum documentation proves protective function
• Tint speed and range test results support classification
• Technical photochromic material may invoke 9001 classification