Fused Quartz Prism from Mexico
High-purity fused quartz equilateral prism for UV spectroscopy and Schlieren imaging. HTS 9001.90.90.00 for non-glass crystalline optical element with transmission to 200nm. Unmounted for spectrometer builds.
Duty Rate — Mexico → United States
10%
Rate breakdown
9903.05.5510%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.94, articles the product of Mexico, as provided for in U.S. note 52 to this subchapter
Import Tips
• OH content (<1ppm) and UV cutoff specs prove high-purity optical grade
• Index of refraction homogeneity data required for precision optics
• Avoid glass classification via silica structure analysis