Calcium Fluoride Window Mount from Canada
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 — Canada → United States
10%
Rate breakdown
9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
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