Fused Quartz Prism
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.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If synthetic quartz crystals
Crystalline quartz vs amorphous fused quartz separates provisions.
If lab glassware
Note 1(e) excludes Chapter 70 labware; optical function prevails.
Not sure which classification is right?
Our AI classifier can analyze your specific product and recommend the correct HTS code with confidence.
Import Tips & Compliance
• 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
Related Products under HTS 9001.90.90.00
Fused Silica Plano-Convex Lens
A high-precision plano-convex lens made from fused silica, used in laser systems and optical instruments for focusing light. It falls under HTS 9001.90.90.00 as an unmounted optical element of a material other than unworked glass, designed for precise beam manipulation. The lens is supplied individually without mounting for integration into various optical assemblies.
Sapphire Prism
A right-angle prism crafted from synthetic sapphire (aluminum oxide), ideal for UV and harsh environment optics in spectroscopy and defense applications. Classified under HTS 9001.90.90.00 as an unmounted optical element of non-glass material, prized for its hardness and transmission properties. Delivered unmounted for custom system integration.
Polymer Optical Fiber Bundle
A bundle of polymer optical fibers used for illumination and image transmission in endoscopes and sensors. It qualifies under HTS 9001.90.90.00 as optical fiber bundles distinct from electrical cables of 8544, unmounted for device assembly. Essential for medical and industrial imaging applications.
Calcium Fluoride Window
An unmounted flat optical window made of calcium fluoride (CaF2) for infrared spectroscopy and laser systems. Falls under HTS 9001.90.90.00 as a non-glass optical element transmitting in UV-IR spectrum. Used unprotected in optical paths requiring high purity.
Polarizing Film Sheet
Sheets of polarizing material, typically PVA with iodine crystals, used in LCD displays and sunglasses. Classified in HTS 9001.90.90.00 as plates of polarizing material, unmounted for lamination into devices. Controls light polarization in optical systems.
Germanium Meniscus Lens
A meniscus lens made from germanium crystal for thermal imaging and CO2 laser optics in the 8-14μm IR range. HTS 9001.90.90.00 covers this unmounted semiconductor optical element. Critical for night vision and FLIR systems.