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HSChapter 45
U.S. exports of natural cork, raw or simply prepared (HS 450110) totaled $194K in July 2026.
Importers of Natural Cork, Raw or Simply Prepared paid $4K in duties in July 2026 — an effective duty rate of 7.4% on $61K in dutiable value, based on actual customs collections rather than the published tariff schedule.
Last updated: July 2026 dataRaw and minimally processed natural cork — harvested primarily from the bark of Quercus suber (cork oak) — enters the US under a single 10-digit line (4501100000) and serves as the upstream input for the wine stopper, insulation, and flooring industries. Portugal and Spain together account for the overwhelming majority of global cork oak forests and dominate world supply of raw cork, making this a geographically concentrated commodity with limited origin diversification. The 'simply prepared' threshold is a key classification boundary: cork that has been debacked, squared, or cut into blanks moves to heading 4502, while crushed or granulated cork shifts to heading 4501.90.
AI-written summary of the official U.S. Census Bureau trade figures on this page — verify before relying on it.
7 shipments/mo
Heading 4501 covers cork in its natural state or after minimal operations such as cleaning, trimming, or boiling to improve elasticity — processes that do not alter the basic form of the bark slabs. Once cork is debacked (outer bark removed), roughly squared, or cut into rectangular blocks, plates, or sharp-edged blanks for stoppers, it crosses into heading 4502. The distinction is important because the two headings carry different duty rates.
Raw natural cork is a plant product and is subject to USDA APHIS phytosanitary requirements. Shipments may require a phytosanitary certificate from the exporting country's national plant protection organization, and APHIS may conduct inspection at the port of entry. Importers should confirm current APHIS entry requirements for cork bark from the specific country of origin before shipment.
Subheading 2 of 2 in heading 4501
Subheading 450110 · $78K of $632K
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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 |
|---|---|---|---|---|---|
| 4501100000 | Natural Cork, Raw or Simply Prepared | $78K | 5.72% | 77.74% | $4K |
HS10 export codes under this HS6 parent, each with its own page. Source: U.S. Schedule B export classification.
| Code | Description | Export Value |
|---|---|---|
| 4501100000 | Natural Cork, Raw or Simply Prepared | $194K |
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.
ImportsExports
Imports
$78KYoY · Pro
Exports
$194KYoY · 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.
Exports · July 2026
destination
Korea, South and Japan together take 68% of it.
customs district
origin
entry
rate provision · imports
22.3% enters free of duty; the effective duty rate is 5.72%.