Chalcogenide Glass Aspheric Lens from Mexico
Molded aspheric lens from chalcogenide glass (As2Se3) for MWIR/LWIR thermal imaging. HTS 9001.90.90.00 as unmounted specialty optical element with low chromatic dispersion. Used in uncooled thermal cameras.
Duty Rate — Mexico → United States
10%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
Import Tips
• Abbe number and dispersion curves document specialty glass optical properties
• Hazardous material declarations for arsenic content; proper shipping papers essential
• Military end-use certifications may trigger additional scrutiny