Amorphous Germanium Dioxide Glass
Vitreous GeO2 used in specialty optical fibers. Still pure germanium oxide under HTS 2825.60.00; glass form doesn't change chemical classification.
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More Specific Codes
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If fabricated into rod/preform for fiber drawing
Glass articles for further manufacture classify under Chapter 70.
If finished optical fiber elements
Optical elements complete Chapter 90 classification.
If laboratory glassware articles
Formed glass labware shifts from chemicals to glassware.
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Import Tips & Compliance
• Refractive index measurement (nD=1.607) confirms pure GeO2 glass identity
• Distinguish from Chapter 70 optical glass via chemical purity documentation
• Hydroxyl (OH) content specification critical for fiber optic grade
Related Products under HTS 2825.60.00
Zirconium Dioxide Powder (ZrO2)
High-purity zirconium dioxide powder used in ceramics and refractories. Classified under HTS 2825.60.00 as it is a chemically defined inorganic metal oxide of zirconium.
Germanium Dioxide (GeO2) Crystals
Synthetic germanium dioxide crystals used in fiber optics production. Falls under HTS 2825.60.00 as a chemically defined germanium oxide per Chapter 28 notes.
Zirconia Nanopowder (ZrO2 99.9% Pure)
Ultrafine zirconium dioxide nanopowder for advanced coatings and fuel cells. Classified in 2825.60.00 as pure germanium/zirconium dioxide regardless of particle size.
High-Purity Germanium(IV) Oxide
Laboratory-grade GeO2 used in optical glass manufacturing. HTS 2825.60.00 covers chemically defined germanium oxides meeting Chapter 28 Note 1 criteria.
Stabilized Zirconium Dioxide (YSZ)
Yttria-stabilized zirconia powder for solid oxide fuel cells. Still classifies under 2825.60.00 as primary zirconium dioxide component per metal oxide headings.
Germanium Dioxide Hydrate (GeO2·H2O)
Hydrated form of germanium dioxide used in chemical synthesis. HTS 2825.60.00 includes germanium oxides in all hydration states as chemically defined compounds.