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HSChapter 28
U.S. imports of germanium oxides and zirconium dioxide (HS 282560) totaled $17.9M in July 2026, traded with 15 countries.
Importers of Germanium Oxides and Zirconium Dioxide paid $1.1M in duties in July 2026 — an effective duty rate of 6.9% on $16.2M in dutiable value, based on actual customs collections rather than the published tariff schedule.
Last updated: July 2026 dataGermanium dioxide (2825600010) is a high-value specialty chemical used in fiber optic preforms, infrared optics, and polymerization catalysts for PET resin, while zirconium dioxide (2825600020) — commonly called zirconia — is a structural ceramic material used in dental prosthetics, thermal barrier coatings, and solid oxide fuel cells. Canada leads US import supply for this heading, with China a significant secondary source; given China's dominant position in global germanium refining, Section 301 tariff exposure is a material consideration for germanium dioxide sourced from China. The heading also includes other germanium oxides not elsewhere specified (2825600050), covering lower-oxide forms used in semiconductor applications.
AI-written summary of the official U.S. Census Bureau trade figures on this page — verify before relying on it.
71 shipments/mo
The US schedule provides dedicated 10-digit lines for each: germanium dioxide is classified under 2825600010, zirconium dioxide (zirconia) under 2825600020, and other germanium oxides not elsewhere specified under 2825600050. Importers must identify the specific compound on entry documentation — a shipment described only as 'germanium oxide' without specifying the dioxide form could be misclassified between the two germanium lines.
China controls a large share of global germanium refining capacity, making it a significant source even when Canada leads US import statistics for this heading. Germanium has been identified as a critical mineral by the US government, and China has implemented export controls on germanium that can affect availability and pricing. Importers relying on Chinese-origin germanium dioxide also face Section 301 tariff exposure, reinforcing the commercial case for supply diversification.
Subheading 3 of 9 in heading 2825
Subheading 282560 · $17.9M of $85.6M
ImportsExports
Imports
$17.9MYoY · Pro
Exports
$2.1MYoY · Pro
12-mo low · imports
YoY · ProThrough July 2026. Source: U.S. Census Bureau.
Imports · July 2026
origin
Canada and China together supply 73% of it.
customs district
destination
entry
rate provision · imports
9.4% enters free of duty; the effective duty rate is 6.26%.
HS10 import codes under this HS6 parent, each with its own page. Source: U.S. Harmonized Tariff Schedule.
| Code | Description | Import Value | Effective Tariff % | Dutiable Share | Duty Collected |
|---|---|---|---|---|---|
| 2825600010 | Germanium Dioxide | $13.4M | 4.13% | 98.84% | $552K |
| 2825600020 | Zirconium Dioxide | $3.9M | 13.09% | 64.90% | $515K |
| 2825600050 | Other Germanium Oxides, NESOI | $633K | 8.56% | 66.93% | $54K |
HS10 export codes under this HS6 parent, each with its own page. Source: U.S. Schedule B export classification.
| Code | Description | Export Value |
|---|---|---|
| 2825600000 | Germanium Oxides and Zirconium Dioxide | $2.1M |
Import lines come from the U.S. Harmonized Tariff Schedule and export lines from Schedule B. The two are numbered by different agencies, so the same 10-digit code can appear in both tables describing a different product.
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