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HSChapter 81
U.S. imports of unwrought zirconium powders (nesoi) (HS 810929) totaled $295K in April 2026, traded with 5 countries.
Importers of Unwrought Zirconium Powders (NESOI) paid $39K in duties in April 2026 — an effective duty rate of 14% on $290K in dutiable value, based on actual customs collections rather than the published tariff schedule. Unwrought Zirconium Powders (NESOI) imports of $295K in April 2026 ran 32% above the year-to-date monthly average of $223K.
Last updated: April 2026 dataCommercial-grade zirconium powders not meeting the low-hafnium nuclear specification are widely used in refractory ceramics, surface coatings, pyrotechnics, and chemical catalysts. Germany leads US imports under this heading, followed by China and Japan. Unlike the nuclear-grade counterpart, these powders are not subject to the same end-use scrutiny, but importers should still confirm the hafnium content ratio to ensure the material is correctly classified here rather than under the low-hafnium heading 810921.
AI-written summary of the official U.S. Census Bureau trade figures on this page — verify before relying on it.
The key distinction is the hafnium content: powders with a hafnium-to-zirconium ratio of 1:500 or greater (i.e., relatively higher hafnium) fall under 810929 (8109290000), while those with less than 1 part hafnium per 500 parts zirconium are classified under 810921. Importers should obtain a certified chemical analysis from the supplier to document the ratio and support the classification at entry.
Fine zirconium powder is classified as a flammable solid under international transport regulations (IMDG/IATA), and shipments must be properly declared and packaged in accordance with those rules. At the US port of entry, CBP may coordinate with the Pipeline and Hazardous Materials Safety Administration (PHMSA) standards for documentation. Importers should ensure the bill of lading and packing declarations accurately reflect the hazard classification.
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Monthly import values over time
| Country | Imports | Exports | Balance |
|---|---|---|---|
| GERMANY | $166K | -- | -$166K |
| CHINA | $106K | -- | -$106K |
| SOUTH AFRICA | -- | $30K | +$30K |
| IRELAND | -- | $24K | +$24K |
| JAPAN | $21K | -- | -$21K |
HS10 import codes under this HS6 parent. Source: U.S. Harmonized Tariff Schedule.
| Code | Description | Import Value | Effective Tariff % | Duty Collected |
|---|---|---|---|---|
| 8109290000 | UNWROUGHT ZIRCONIUM POWDERS, NESOI | $295K | 13.60% | $39K |
UNWROUGHT ZIRCONIUM POWDERS, NESOI
HS10 export codes under this HS6 parent. Source: U.S. Schedule B export classification.
| Code | Description | Export Value |
|---|---|---|
| 8109290000 | UNWROUGHT ZIRCONIUM POWDERS, NESOI | $53K |
UNWROUGHT ZIRCONIUM POWDERS, NESOI
1.7K kg
COBALT, UNWROUGHT, PWDRS, MATTES ETC
HS 810520
TITANIUM AND ARTICLES THEREOF NESOI
HS 810890
CERMETS AND ARTICLES THEREOF, INC WASTE AND SCRAP
HS 811300
TUNGSTEN WASTE AND SCRAP
HS 810197
UNWROUGHT TITANIUM; POWDERS
HS 810820
GA, HF, INDIUM, NIOBIUM, RHENIUM & ARTI,WAST/SCRP
HS 811292
| Port | Imports | Exports | Balance |
|---|---|---|---|
| NORFOLK-NEWPORT NEWS, VA | $166K | -- | -$166K |
| SEATTLE-TACOMA INTERNATIONAL AIRPORT, WA | $106K | -- | -$106K |
| JFK INTERNATIONAL AIRPORT, NY | -- | $30K | +$30K |