Fused Quartz Prism from China
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 — China → United States
37.5%
Rate breakdown
9903.05.3112.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of China, as provided for in U.S. note 52 to this subchapter
9903.88.0325%Except as provided in headings 9903.88.13, 9903.88.18, 9903.88.33, 9903.88.34, 9903.88.35, 9903.88.36, 9903.88.37, 9903.88.38, 9903.88.40, 9903.88.41, 9903.88.43, 9903.88.45, 9903.88.46, 9903.88.48, 9903.88.56, 9903.88.64, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(e) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(f)
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