Germanium oxides and zirconium dioxide
Borates; peroxoborates (perborates). > Disodium tetraborate (refined borax): > Germanium oxides and zirconium dioxide
Duty Rate (from China)
Products classified under Tariff item 2825.60
Amorphous Germanium Dioxide Glass
Amorphous germanium dioxide glass, also known as vitreous GeO2, is a pure form of germanium oxide used in the production of specialty optical fibers. Despite its glassy physical state, it remains a chemically defined compound of germanium and oxygen, meeting the criteria of Chapter 28 Note 1. It is classified under tariff item 2825.60.00 as a germanium oxide.
2825.60.00Calcined Zirconia from Zircon
Calcined zirconia produced from zircon feedstock via thermal plasma dissociation is a chemically defined zirconium dioxide. After calcination, it meets the purity and chemical definition criteria of Chapter 28 Note 1. It is classified under tariff item 2825.60.00 as zirconium dioxide.
2825.60.00Electronic Grade Germanium Dioxide
Electronic grade germanium dioxide is an ultra-high purity form of GeO2 used as a doping source in semiconductor manufacturing. It is a separate chemically defined compound of germanium and oxygen, satisfying Chapter 28 Note 1. It falls under tariff item 2825.60.00 as a germanium oxide.
2825.60.00Germanium Dioxide (GeO2) Crystals
Synthetic germanium dioxide crystals are chemically defined germanium oxide used in fiber optics production. The crystalline form does not change the chemical identity of the compound, which meets Chapter 28 Note 1. They are classified under tariff item 2825.60.00 as germanium oxides.
2825.60.00Germanium Dioxide Hydrate (GeO2·H2O)
Germanium dioxide hydrate (GeO2·H2O) is a hydrated form of germanium oxide used in chemical synthesis. It is a chemically defined compound of germanium, oxygen, and water, meeting the criteria of Chapter 28 Note 1. It is classified under tariff item 2825.60.00 as a germanium oxide.
2825.60.00Germanium Oxide Sputtering Target Material
Germanium oxide sputtering target material is a pure GeO2 powder used for thin film deposition. The powder form is a chemically defined germanium oxide, meeting Chapter 28 Note 1. It is classified under tariff item 2825.60.00 as a germanium oxide.
2825.60.00High-Purity Germanium(IV) Oxide
High-purity germanium(IV) oxide is a laboratory-grade GeO2 used in optical glass manufacturing. It is a separate chemically defined compound of germanium and oxygen, satisfying Chapter 28 Note 1. It falls under tariff item 2825.60.00 as a germanium oxide.
2825.60.00Medical Grade Zirconia Powder
Medical grade zirconia powder is a biocompatible form of zirconium dioxide used in orthopedic implants and dental prosthetics. Despite its high purity and medical application, it remains a chemically defined zirconium dioxide. It is classified under tariff item 2825.60.00 as zirconium dioxide.
2825.60.00Monoclinic Zirconia Powder
Monoclinic zirconia powder is a pure zirconium dioxide with a monoclinic crystal structure, used in dental applications. The crystal structure does not affect its chemical definition as ZrO2, meeting Chapter 28 Note 1. It is classified under tariff item 2825.60.00 as zirconium dioxide.
2825.60.00Stabilized Zirconium Dioxide (YSZ)
Stabilized zirconium dioxide (YSZ) is yttria-stabilized zirconia powder used in solid oxide fuel cells. Although it contains yttria, the primary component is zirconium dioxide, and the product is not a separate chemically defined compound. However, it is still classified under tariff item 2825.60.00 as zirconium dioxide, as the yttria is added for stabilization and does not change the essential character.
2825.60.00Technical Grade Zirconium Dioxide
Technical grade zirconium dioxide is an industrial ZrO2 powder derived from zircon sand, used in refractories. It is a chemically defined compound of zirconium and oxygen, meeting Chapter 28 Note 1 despite lower purity. It is classified under tariff item 2825.60.00 as zirconium dioxide.
2825.60.00Yttria Partially Stabilized Zirconia (8YSZ)
Yttria partially stabilized zirconia (8YSZ) is a powder with 8 mol% yttria doping, used for thermal barrier coatings. The primary component is zirconium dioxide, and the yttria is added for stabilization. It is classified under tariff item 2825.60.00 as zirconium dioxide, as it is not a separate chemically defined compound.
2825.60.00Zirconia Nanopowder (ZrO2 99.9% Pure)
Zirconia nanopowder is an ultrafine zirconium dioxide powder with 99.9% purity, used in advanced coatings and fuel cells. The particle size does not affect its chemical definition as ZrO2, meeting Chapter 28 Note 1. It is classified under tariff item 2825.60.00 as zirconium dioxide.
2825.60.00Zirconium Dioxide for Jewelry
Zirconium dioxide for jewelry is a synthetic cubic zirconia precursor powder used in gemstone production. In its raw oxide form, it is a chemically defined zirconium dioxide, meeting Chapter 28 Note 1. It is classified under tariff item 2825.60.00 as zirconium dioxide.
2825.60.00Zirconium Dioxide Powder (ZrO2)
Zirconium dioxide powder is a high-purity ZrO2 used in ceramics and refractories. It is a chemically defined inorganic metal oxide of zirconium, meeting Chapter 28 Note 1. It is classified under tariff item 2825.60.00 as zirconium dioxide.