Dispersive Prism for Spectrometer Optics from Japan
Equilateral dispersive prism mounted in a spectrometer's optical train to separate wavelengths of light for spectral analysis. HTS 9002.90.20.00 applies as a mounted prism functioning as a key part of analytical instruments. Typically made from flint glass for high dispersion properties.
Duty Rate — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of Japan, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 12.5 percent, as provided for in U.S. note 52 to this subchapter
Import Tips
• Include wavelength range specifications and material refractive index in documentation
• Laboratory end-use certificates help distinguish from industrial process control optics
• Avoid bulk packaging that suggests unmounted elements classification