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HSChapter 28
U.S. imports of germanium oxides and zirconium dioxide (HS 282560) totaled $20.6M in April 2026, traded with 11 countries.
Importers of Germanium Oxides and Zirconium Dioxide paid $1.0M in duties in April 2026 — an effective duty rate of 5.4% on $19.2M in dutiable value, based on actual customs collections rather than the published tariff schedule. Germanium Oxides and Zirconium Dioxide imports of $20.6M in April 2026 ran 21% above the year-to-date monthly average of $17.0M.
Last updated: April 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.
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.
| Country | Imports | Exports | Balance |
|---|---|---|---|
| CANADA | $16.1M | $200K | -$15.9M |
| SOUTH AFRICA | $1.6M | -- | -$1.6M |
| CHINA | $1.1M | $36K | -$1.1M |
| GERMANY | $196K | $836K | +$640K |
| FRANCE | $852K | -- | -$852K |
Supplier Network
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Monthly import values over time
HS10 import codes under this HS6 parent. Source: U.S. Harmonized Tariff Schedule.
| Code | Description | Import Value | Effective Tariff % | Duty Collected |
|---|---|---|---|---|
| 2825600010 | GERMANIUM DIOXIDE | $16.3M | 3.70% | $601K |
| 2825600020 | ZIRCONIUM DIOXIDE | $4.1M | 15.13% | $373K |
| 2825600050 | OTHER GERMANIUM OXIDES, NESOI | $257K | 15.23% | $69K |
GERMANIUM DIOXIDE
ZIRCONIUM DIOXIDE
OTHER GERMANIUM OXIDES, NESOI
HS10 export codes under this HS6 parent. Source: U.S. Schedule B export classification.
| Code | Description | Export Value |
|---|---|---|
| 2825600000 | GERMANIUM OXIDES AND ZIRCONIUM DIOXIDE | $3.0M |
GERMANIUM OXIDES AND ZIRCONIUM DIOXIDE
178.4K kg
URANIUM ENRICHED IN U235 ETC. PLUTONIUM ETC.
HS 284420
NATURAL URANIUM & COMPOUNDS, ALLOYS & CERAMICS ETC
HS 284410
ANHYDROUS AMMONIA
HS 281410
ALLOYS, DISPERSIONS,ISOTOPES & COMPOUNDS NES
HS 284443
SILICON, UNDER 99.99% (BY WEIGHT) SILICON
HS 280469
PHOSPHORIC ACID AND POLYPHOSPHORIC ACIDS
HS 280920
| State | Imports | Exports | Balance |
|---|---|---|---|
| Utah | $7.3M | -- | -$7.3M |
| Pennsylvania | $5.9M | $19K | -$5.9M |
| Oklahoma | $2.8M | -- | -$2.8M |
| Port | Imports | Exports | Balance |
|---|---|---|---|
| BLAINE, WA | $16.1M | -- | -$16.1M |
| SEATTLE, WA | $1.6M | -- | -$1.6M |
| NEW YORK, NY | $628K | $976K | +$348K |