Calcined Zirconium Dioxide
Calcined zirconium dioxide is a high-temperature treated ZrO2 powder used in abrasives, refractories, and ceramics. It is a chemically defined inorganic oxide of zirconium, meeting the scope of Chapter 28 as a metal oxide. It is classified under tariff item 2825.60.00 as zirconium dioxide.
Import Duty Rates by Country of Origin
| Origin Country | MFN Tariff | Surtaxes | Total Effective Rate |
|---|---|---|---|
| 🇨🇳China | Free | — | Free |
| 🇲🇽Mexico | Free | — | Free |
| 🇺🇸United States | Free | — | Free |
| 🇩🇪Germany | Free | — | Free |
| 🇯🇵Japan | Free | — | Free |
More Specific Codes
This product may fall under a more specific subheading:
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If the powder is mounted on paper or cloth as an abrasive
Abrasive powders on a backing are classified as articles of Chapter 68.
If the product contains added binders or anti-caking agents beyond Chapter 28 allowances
Additives not permitted by Chapter 28 Note 1 place the product in Chapter 38.
Not sure which classification is right?
The Tariff Assistant works through the GRI rules on your specific product to reach the right tariff item — and can price the duty on it in the same conversation.
Import Tips & Compliance
• Confirm the calcination process does not introduce organic additives that would shift classification to Chapter 38
• Keep records of the manufacturing process to show it remains a pure oxide
• If the powder is used in abrasives, check if it is part of a prepared article, which may fall under other headings
Related Products under Tariff item 2825.60.00
3Y-TZP Zirconia Powder
3 mol% yttria partially stabilized tetragonal zirconia polycrystal (3Y-TZP) powder for biocompatible implants. Classified as other zirconium dioxide under tariff item 2825.60.00.
Amorphous Germanium Dioxide Glass
Amorphous germanium dioxide glass, also known as vitreous GeO2, is a pure form of germanium dioxide used in the production of specialty optical fibers. Despite its glassy physical state, it remains a chemically defined germanium oxide and is correctly classified under this tariff item.
Amorphous Germanium Oxide Powder
Amorphous germanium oxide (GeO2) powder used in glass manufacturing and catalysts. As a chemically defined germanium oxide, it is classified under tariff item 2825.60.00.
Calcined Zirconia from Zircon
Calcined zirconia is zirconium dioxide produced by thermal plasma dissociation of zircon feedstock. After calcination, it is a chemically defined zirconium dioxide, qualifying for classification under this tariff item as a metal oxide.
Dental Grade Zirconia Powder
High-translucency zirconia powder for CAD/CAM dental restorations. Pure zirconium dioxide (ZrO2) is classified under tariff item 2825.60.00 as a chemically defined metal oxide.
Electronic Grade Germanium Dioxide
Electronic grade germanium dioxide is an ultra-high purity form of GeO2 used as a doping source in semiconductor manufacturing. It meets the Chapter 28 definition of a separate chemically defined compound, making it classifiable under this tariff item.