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%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
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