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Official data Source: US Census Bureau international trade data Data through August 2026 · updated monthly

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HS 4503.90

Articles of natural cork, not elsewhere specified

In short

  • The US imported $1.1M of this product over the 12 months to August 2026, down 14% on the year before.
  • Portugal is the largest supplier, with 43.8% of US imports; Spain is next, with 31.5%.
  • Korea, South is the cheapest main supplier before and after freight and duty, landing at $3.11/kg.
  • Duty paid averaged 8.1% of the value of imports in August 2026, down 10.8 points on a year earlier.
  • Portugal is gaining share: 59.8% over the last 12 months, up from 51.3%.
  • 1 Federal Register notice named this product's tariff codes in the last 12 months.

US imports, Aug 2026

$42K

↓ −60% vs Aug 2025

Last 12 months

$1.1M

↓ −14% vs the 12 months before

Average duty paid

8.1%

↓ −10.8 pts vs Aug 2025

Top supplier

Portugal

43.8% of US imports

US imports by month

The last 13 months, so the same month a year ago is on the left. August 2026 is highlighted. Dotted lines mark lasting changes in duty paid, labelled with the supplier, or "Duty" when several moved; the tariff timeline lists each one with its notices.

Aug2025SepOctNovDecJan2026FebMarAprMayJunJulAugDuty ↓
Show the numbers
MonthUS imports
August 2025$104K
September 2025$75K
October 2025$125K
November 2025$103K
December 2025$34K
January 2026$105K
February 2026$103K
March 2026$84K
April 2026$59K
May 2026$89K
June 2026$101K
July 2026$132K
August 2026$42K

What changed

  • US imports were $42K in August 2026, down 68% from July 2026 and down 60% from August 2025.
  • Over the 12 months to August 2026 they totalled $1.1M, down 14% on the 12 months before.
  • Biggest moves in market share since July 2026: Italy up from 0.0% to 13.5%, Spain down from 50.4% to 31.5%.
  • Average price from Portugal rose 6403% since July 2026, to $451.17/kg.
  • Duty paid on imports from Spain rose from 0.0% to 10.0% of their value since July 2026.

US trade by year

US imports were $1.1M in the 12 months to Aug 2026, down 55% on the 12 months to Aug 2017. US exports were $1.0M, down 62%. Dotted lines mark lasting changes in duty paid, labelled with the supplier, or "Duty" when several moved; the tariff timeline lists each one with its notices.

2017201820192020202120222023202420252026Duty ↓Duty ↑Duty ↓Duty ↓
Show the numbers
PeriodUS imports
12 months to Aug 2017$2.3M
12 months to Aug 2018$2.2M
12 months to Aug 2019$2.7M
12 months to Aug 2020$2.7M
12 months to Aug 2021$2.7M
12 months to Aug 2022$3.0M
12 months to Aug 2023$2.1M
12 months to Aug 2024$1.9M
12 months to Aug 2025$1.2M
12 months to Aug 2026$1.1M
  • Portugal
  • Spain
  • China
  • Germany
  • All countries
Share of US imports
Show the numbers
PeriodPortugalSpainChinaGermany
12 months to Aug 201727.8%7.6%49.6%0.0%
12 months to Aug 201827.3%8.1%39.2%3.5%
12 months to Aug 201926.4%7.7%38.6%0.0%
12 months to Aug 202024.1%11.7%28.7%0.2%
12 months to Aug 202127.1%7.3%18.1%0.9%
12 months to Aug 202232.4%4.7%43.4%0.5%
12 months to Aug 202342.4%14.8%13.7%0.8%
12 months to Aug 202434.0%16.3%31.5%0.2%
12 months to Aug 202551.3%10.1%10.3%0.4%
12 months to Aug 202659.8%14.3%7.2%6.3%
Duty paid, % of value
Show the numbers
PeriodPortugalSpainChinaGermanyAll countries
12 months to Aug 20179.4%2.7%12.8%n/a10.2%
12 months to Aug 20186.1%0.0%12.9%0.0%8.6%
12 months to Aug 20192.8%1.5%25.5%n/a11.4%
12 months to Aug 20205.1%0.6%38.7%0.0%15.3%
12 months to Aug 20216.3%0.0%38.7%6.6%9.8%
12 months to Aug 20226.2%0.3%38.9%5.4%19.4%
12 months to Aug 20235.5%2.4%36.0%14.0%9.4%
12 months to Aug 20246.2%0.2%39.0%0.0%15.9%
12 months to Aug 20258.8%0.0%47.6%14.0%11.7%
12 months to Aug 20265.5%2.6%55.8%9.0%9.8%
PeriodUS importsDuty paidUS exports
12 months to Aug 2026$1.1M−14%9.8%−1.9 pts$1.0M+17%
12 months to Aug 2025$1.2M−37%11.7%−4.2 pts$853K−35%
12 months to Aug 2024$1.9M−9.2%15.9%+6.5 pts$1.3M+5.2%
12 months to Aug 2023$2.1M−28%9.4%−10.0 pts$1.3M+6.4%
12 months to Aug 2022$3.0M+11%19.4%+9.6 pts$1.2M+49%
12 months to Aug 2021$2.7M+0.5%9.8%−5.6 pts$791K−42%
12 months to Aug 2020$2.7M−3.3%15.3%+3.9 pts$1.4M+3.4%
12 months to Aug 2019$2.7M+26%11.4%+2.8 pts$1.3M−36%
12 months to Aug 2018$2.2M−7.3%8.6%−1.7 pts$2.1M−22%
12 months to Aug 2017$2.3M10.2%$2.6M

Who supplies the US

August 2026. Small figures under each value are the change from August 2025. Landed cost by origin, below, adds freight and duty to the price.

CountryUS importsShareAverage priceDuty paidLast 13 months
Portugal$18K43.8%−14.9 pts$451.17/kg+4724%1.6%−12.6 pts
Spain$13K31.5%new$37.93/kg10.0%
Italy$6K13.5%new$67.79/kg0.0%
China$2K5.6%−9.7 pts$8.16/kg+258%51.5%−17.5 pts
India$2K5.6%new$392.67/kg24.0%
All countries$42K100.0%$54.66/kg+1471%8.1%−10.8 pts

The 3 largest suppliers had 81.3% of US imports over the last 12 months.

Landed cost by origin

What importers paid to land this product at a US port from each main supplier, June–August 2026: the price, freight and insurance to the first US port, and duty, per unit. Suppliers with 3% or more of these imports, cheapest landed first. Small figures under landed cost are the change from the same months a year earlier.

  • Price
  • Freight and insurance
  • Duty
CountryPriceFreight and insuranceDutyLanded costMake-up
Korea, South$2.26/kg$0.30/kg13.4% of price$0.54/kg24.0% of price$3.11/kg−98%
Portugal$6.74/kg$0.15/kg2.3% of price$0.39/kg5.8% of price$7.29/kg−49%
China$14.92/kg$5.98/kg40.1% of price$7.39/kg49.6% of price$28.30/kg+233%
Spain$43.08/kg$0.00/kg0.0% of price$0.72/kg1.7% of price$43.80/kg
All countries$7.93/kg$0.31/kg4.0% of price$0.59/kg7.4% of price$8.83/kg−1.8%

Landed at a US port, Korea, South was cheapest, at $3.11/kg: 57.4% below Portugal.

Landed cost from China rose 233% on a year earlier, to $28.30/kg, mostly on price: $4.80/kg then, $14.92/kg now.

How the market is shifting

Portugal gained the most share: 59.8% of US imports over the last 12 months, up from 51.3% in the 12 months before. Canada lost the most: 3.9%, down from 10.7%. The charts show September 2024 to August 2026 for the 4 largest suppliers over the last 12 months. Dotted lines mark lasting changes in duty paid, labelled with the supplier, or "Duty" when several moved; the tariff timeline lists each one with its notices.

  • Portugal
  • Spain
  • China
  • Germany
  • All countries
Share of US imports
Show the numbers
MonthPortugalSpainChinaGermany
September 2024100.0%0.0%0.0%0.0%
October 202462.4%0.0%0.0%0.0%
November 202443.3%32.1%0.0%0.0%
December 202438.3%0.0%13.2%0.0%
January 202542.3%10.8%44.9%0.0%
February 20255.8%15.8%2.8%0.0%
March 202591.2%0.0%0.0%8.8%
April 202535.5%41.3%15.7%0.0%
May 202596.0%0.0%0.0%0.0%
June 202572.6%0.0%3.3%0.0%
July 202542.6%0.0%25.7%0.0%
August 202558.7%0.0%15.3%0.0%
September 202572.6%23.3%0.0%0.0%
October 202538.9%23.9%17.2%0.0%
November 202558.7%0.0%20.6%0.0%
December 202591.1%0.0%0.0%0.0%
January 202662.2%0.0%0.0%0.0%
February 2026100.0%0.0%0.0%0.0%
March 202618.0%27.3%0.0%49.6%
April 202646.1%0.0%7.8%42.7%
May 202679.5%0.0%20.5%0.0%
June 202673.6%0.0%8.0%0.0%
July 202645.7%50.4%0.0%0.0%
August 202643.8%31.5%5.6%0.0%
Duty paid, % of value
Show the numbers
MonthPortugalSpainChinaGermanyAll countries
September 20247.4%n/an/an/a7.4%
October 20242.4%n/an/an/a5.2%
November 20242.9%0.0%n/an/a1.2%
December 202412.7%n/a39.0%n/a10.5%
January 20256.2%0.0%25.8%n/a14.2%
February 20259.0%0.0%39.0%n/a10.2%
March 20254.7%n/an/a14.0%5.5%
April 202513.6%0.0%59.0%n/a14.6%
May 20257.5%n/an/an/a8.1%
June 202513.8%n/a69.0%n/a16.8%
July 202518.8%n/a69.0%n/a27.2%
August 202514.2%n/a69.0%n/a18.9%
September 20255.4%15.0%n/an/a8.0%
October 20252.5%0.0%66.6%n/a14.8%
November 20250.0%n/a58.3%n/a12.0%
December 20255.4%n/an/an/a7.0%
January 20260.8%n/an/an/a6.2%
February 20263.3%n/an/an/a3.3%
March 202615.6%0.0%n/a0.0%2.8%
April 202621.4%n/a35.0%24.0%23.6%
May 202611.3%n/a49.0%n/a19.0%
June 202611.2%n/a49.0%n/a16.6%
July 20260.5%0.0%n/an/a0.2%
August 20261.6%10.0%51.5%n/a8.1%

Tariff actions touching this product

When the duty paid on this product changed and stayed changed, for its main suppliers and all countries, newest first, with the Federal Register notices that named the product in the 3 months before. Rates are medians of the 4 months either side, less any usual seasonal swing. A change shows what happened to duty paid, not why; read each notice for what it did.

  1. November 2025 · Duty paid: all countries 20.2% → 4.5%.
  2. August 2024 · Duty paid: all countries 17.6% → 1.3%.
  3. May 2022 · Duty paid: all countries 27.0% → 9.5%.
  4. November 2021 · Duty paid: all countries 9.7% → 23.8%.
  5. October 2020 · Duty paid: all countries 17.3% → 5.2%.

Federal Register notices from the last 12 months that list this product's tariff codes. A notice can add a duty, exclude products from one or only mention them, so read each for what it changes. Search the Federal Register for 4503.90

Where it enters the US

Main ports of entry over the 12 months to August 2026: US imports and share.

  1. Detroit, MI$204K · 19.3%
  2. Baltimore, MD$183K · 17.4%
  3. New Orleans, LA$109K · 10.4%
  4. Newark, NJ$82K · 7.8%
  5. Savannah, GA$79K · 7.5%

Where US exports go

US exports were $48K in August 2026, down 47% from August 2025, and $1.0M over the last 12 months, up 17% on the 12 months before. Fastest-growing market with 3% or more of US exports: Cayman Islands, up 586%.

MarketLast 12 monthsSharevs 12 months before
Canada$491K49.1%+26%
Mexico$260K26.0%+143%
United Arab Emirates$75K7.5%+78%
Cayman Islands$40K4.0%+586%
Bahamas$29K2.9%+5.2%
Saudi Arabia$20K2.0%−69%
Australia$15K1.5%−60%
France$12K1.2%+295%
Other countries (13)$59K5.9%+119%
All countries$1.0M100.0%+17%

Markets abroad

Each country's own import figures for this product, from UN Comtrade: the 8 biggest importers outside the US in the latest year each has reported, what they bought from the US, and the change from the year before. Values usually include freight and insurance to the importer's border, so they run a little above US export figures. Countries report a year or more late; 114 have reported 2025 so far. Where a country's figure for imports from the US is under half or over double what the US recorded exporting there that year, the US figure is shown under it.

MarketImportsvs year beforeFrom the USUS share
Saudi Arabia$38.0Min 2025+27%$3.6MUS records $51K9.5%
Spain$6.3Min 2025−26%$5710.0%
Italy$4.7Min 2025+45%$00.0%
China$2.2Min 2025+40%$00.0%
Germany$2.0Min 2025+4.2%$28K1.4%
Portugal$1.6Min 2025−55%$8K0.5%
United Kingdom$1.6Min 2025−8.3%$8K0.5%
Czech Republic$1.4Min 2025+40%$6030.0%

The biggest market outside the US is Saudi Arabia, which imported $38.0M of this product in 2025, 9.5% of that from the US by its own count; the US records $51K of exports there.

Of these, imports into Italy grew fastest: up 45% from 2024 to 2025.

Other products under heading 4503: articles of natural cork. US trade over the 12 months to August 2026.

ProductUS importsUS exports
Corks and stoppers of natural corkHS 4503.10$123.6M$7.0M
About these figures
  • Source: US Census Bureau international trade data, not seasonally adjusted, in US dollars. Retrieved November 3, 2026.
  • US imports are general imports at customs value, which excludes freight and insurance. Exports are at free-alongside-ship value.
  • Average price is customs value divided by quantity (kilograms), across all of the product's 10-digit lines.
  • Duty paid is the duty Census calculates on each country's imports for consumption, as a share of their value. It moves with tariff changes, exemptions and the mix of goods within the product.
  • Landed cost adds Census's import charges (freight, insurance and other costs of bringing the goods to the first US port) and calculated duty to the customs value, per unit, across the product's 10-digit lines. It leaves out antidumping and countervailing duties, customs fees and transport inland. Prices are averages across the goods within the code, so a lower one can mean cheaper goods, not the same goods for less.
  • Markets abroad are each country's imports as it reports them to UN Comtrade, in US dollars, usually including freight and insurance. Countries report a year or more late and in their own edition of the HS codes, so one still on an older edition is missing for codes that changed in 2022.
  • Tariff notices are from the Federal Register, matched to this product by the HTS numbers in their text.
  • Census revises recent months, so figures can change slightly. These are estimates for research and planning, not customs or legal advice.

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