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HSChapter 45
U.S. imports of natural cork articles (other) (HS 450390) totaled $132K in July 2026, traded with 7 countries.
Natural Cork Articles (Other) imports of $132K in July 2026 ran 37% above the year-to-date monthly average of $96K.
Last updated: July 2026 dataBeyond closures, natural cork is fashioned into disks, wafers, washers, and paper-backed wall coverings — products that serve the construction, acoustics, and decorative interiors markets. Portugal leads US imports of these articles, but China is a significant second-tier supplier, reflecting the shift of downstream fabrication to lower-cost manufacturing centers even when raw cork originates in Iberia. The US schedule separates disks/wafers/washers (4503902000) from paper-backed wall coverings (4503904000) and a residual NESOI basket (4503906000), so the finished form and backing material are the key classification determinants. Importers sourcing wall coverings should verify whether the paper backing is integral or merely protective, as that distinction affects heading eligibility.
AI-written summary of the official U.S. Census Bureau trade figures on this page — verify before relying on it.
9 shipments/mo
Subheading 4503904000 specifically covers wall coverings of natural cork that are backed with paper. Products presented as decorative cork panels without a paper backing, or cork tiles intended for flooring, would not qualify for that line and should be evaluated against the NESOI subheading (4503906000) or potentially a different heading altogether depending on their construction.
Portugal is the primary source of raw and semi-processed natural cork, while China's position as the second-ranked supplier of finished cork articles reflects its role as a fabricator — importing cork granules or sheets and converting them into consumer and construction products. This split-origin supply chain means US importers may need to document both the cork's geographic origin and the country of substantial transformation for country-of-origin marking purposes.
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Subheading 2 of 2 in heading 4503
Subheading 450390 · $132K of $7.5M
ImportsExports
Imports
$132KYoY · Pro
Exports
$88KYoY · Pro
12-mo low · imports
YoY · ProFewer than 6 of the last 12 months reported trade above $500K; the trend chart is not shown for thin series.
Through July 2026. Source: U.S. Census Bureau.
Imports · July 2026
origin
Spain and Portugal together supply 96% of it.
customs district
destination
entry
rate provision · imports
85.5% enters free of duty; the effective duty rate is 0.23%.
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 |
|---|---|---|---|---|---|
| 4503904000 | Wallcoverings Backed With Paper of Natural Cork | $66K | 0.00% | 0.00% | -- |
| 4503902000 | Disks, Wafers and Washers of Natural Cork | $54K | 0.56% | 35.51% | $302 |
| 4503906000 | Articles of Natural Cork, NESOI | $12K | 0.00% | 0.00% | -- |
HS10 export codes under this HS6 parent, each with its own page. Source: U.S. Schedule B export classification.
| Code | Description | Export Value |
|---|---|---|
| 4503900000 | Articles of Natural Cork, NESOI | $88K |
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.