Calcium Fluoride Window Mount from Mexico
Mounted CaF2 optical window for UV/VIS spectroscopy cells and excimer laser systems. Transparent from deep UV to IR, used where glass absorbs. HTS 9002.90.95.00 as mounted fluoride optical element for analytical apparatus.
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
• Provide UV transmission certificates proving optical grade material
• Specify instrument models (spectrometers, lasers) in entry docs
• Handle hygroscopic material carefully to prevent surface degradation