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

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Mixtures and preparations containing oxirane (ethylene oxide)

In short

  • The US imported $81K of this product over the 12 months to August 2026, down 85% on the year before.
  • Mexico is the largest supplier, with 100.0% of US imports.
  • Mexico is the cheapest main supplier before and after freight and duty, landing at $5.32/kg.
  • Duty paid averaged 15.0% of the value of imports in August 2026, down 0.4 points on a year earlier.
  • Germany is gaining share: 42.2% over the last 12 months, up from 0.0%.
  • 2 Federal Register notices named this product's tariff codes in the last 12 months.

US imports, Aug 2026

$16K

↓ −97% vs Aug 2025

Last 12 months

$81K

↓ −85% vs the 12 months before

Average duty paid

15.0%

↓ −0.4 pts vs Aug 2025

Top supplier

Mexico

100.0% 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.

Aug2025SepOctNovDecJan2026FebMarAprMayJunJulAug
Show the numbers
MonthUS imports
August 2025$520K
September 2025$4K
October 2025$2K
November 2025$0
December 2025$45K
January 2026$0
February 2026$11K
March 2026$0
April 2026$0
May 2026$0
June 2026$3K
July 2026$0
August 2026$16K

What changed

  • US imports were $16K in August 2026, down 97% from August 2025.
  • Over the 12 months to August 2026 they totalled $81K, down 85% on the 12 months before.
  • Biggest moves in market share since July 2026: Mexico up from 0.0% to 100.0%.

US trade by year

US imports were $81K in the 12 months to Aug 2026, down 97% on the 12 months to Aug 2017. US exports were $30.2M, up 121%.

2017201820192020202120222023202420252026
Show the numbers
PeriodUS imports
12 months to Aug 2017$2.8M
12 months to Aug 2018$1.0M
12 months to Aug 2019$214K
12 months to Aug 2020$240K
12 months to Aug 2021$15K
12 months to Aug 2022$209K
12 months to Aug 2023$53K
12 months to Aug 2024$46K
12 months to Aug 2025$548K
12 months to Aug 2026$81K
  • Germany
  • Switzerland
  • Mexico
  • Norway
  • All countries
Share of US imports
Show the numbers
PeriodGermanySwitzerlandMexicoNorway
12 months to Aug 201783.9%0.0%0.3%0.0%
12 months to Aug 201841.1%0.0%0.0%0.0%
12 months to Aug 201914.2%4.4%0.0%0.0%
12 months to Aug 20201.2%6.2%0.0%0.0%
12 months to Aug 20210.0%49.1%0.0%0.0%
12 months to Aug 20222.9%1.8%0.0%0.0%
12 months to Aug 20230.0%56.6%0.0%0.0%
12 months to Aug 20248.1%0.0%0.0%0.0%
12 months to Aug 20250.0%4.7%0.0%0.0%
12 months to Aug 202642.2%35.1%19.7%3.1%
Duty paid, % of value
Show the numbers
PeriodGermanySwitzerlandMexicoNorwayAll countries
12 months to Aug 20175.0%n/a0.0%n/a5.0%
12 months to Aug 20185.0%n/an/an/a5.0%
12 months to Aug 20195.0%5.0%n/an/a11.7%
12 months to Aug 20205.0%5.0%n/an/a4.8%
12 months to Aug 2021n/a5.0%n/an/a17.7%
12 months to Aug 20225.0%5.0%n/an/a18.3%
12 months to Aug 2023n/a5.0%n/an/a11.8%
12 months to Aug 20245.0%n/an/an/a28.0%
12 months to Aug 2025n/a18.2%n/an/a15.4%
12 months to Aug 202615.0%29.8%15.0%20.0%20.4%
PeriodUS importsDuty paidUS exports
12 months to Aug 2026$81K−85%20.4%+4.9 pts$30.2M+15%
12 months to Aug 2025$548K+1095%15.4%−12.5 pts$26.4M−28%
12 months to Aug 2024$46K−14%28.0%+16.2 pts$36.5M+31%
12 months to Aug 2023$53K−75%11.8%−6.5 pts$27.9M+21%
12 months to Aug 2022$209K+1301%18.3%+0.6 pts$23.1M+111%
12 months to Aug 2021$15K−94%17.7%+12.9 pts$10.9M−32%
12 months to Aug 2020$240K+12%4.8%−6.9 pts$16.0M+1.7%
12 months to Aug 2019$214K−79%11.7%+6.7 pts$15.8M−22%
12 months to Aug 2018$1.0M−63%5.0%0.0 pts$20.2M+48%
12 months to Aug 2017$2.8M5.0%$13.7M

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
Mexico$16K100.0%new$4.59/kg15.0%
All countries$16K100.0%$4.59/kg−29%15.0%−0.4 pts

The 3 largest suppliers had 96.9% 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
Mexico$4.59/kg$0.04/kg1.0% of price$0.69/kg15.0% of price$5.32/kg
Switzerland$2,552/kg$3.00/kg0.1% of price$383.00/kg15.0% of price$2,938/kg+37749%
All countries$5.32/kg$0.04/kg0.8% of price$0.80/kg15.0% of price$6.17/kg−20%

Landed at a US port, Mexico was cheapest, at $5.32/kg: 99.8% below Switzerland.

Landed cost from Switzerland rose 37749% on a year earlier, to $2,938/kg, mostly on price: $5.39/kg then, $2,552/kg now.

How the market is shifting

Germany gained the most share: 42.2% of US imports over the last 12 months, up from 0.0% in the 12 months before. The charts show September 2024 to August 2026 for the 4 largest suppliers over the last 12 months.

  • Germany
  • Switzerland
  • Mexico
  • Norway
  • All countries
Share of US imports
Show the numbers
MonthGermanySwitzerlandMexicoNorway
September 20240.0%100.0%0.0%0.0%
October 20240.0%0.0%0.0%0.0%
November 2024n/an/an/an/a
December 2024n/an/an/an/a
January 20250.0%100.0%0.0%0.0%
February 2025n/an/an/an/a
March 2025n/an/an/an/a
April 20250.0%100.0%0.0%0.0%
May 2025n/an/an/an/a
June 2025n/an/an/an/a
July 2025n/an/an/an/a
August 20250.0%1.5%0.0%0.0%
September 20250.0%100.0%0.0%0.0%
October 20250.0%0.0%0.0%100.0%
November 2025n/an/an/an/a
December 202576.3%23.7%0.0%0.0%
January 2026n/an/an/an/a
February 20260.0%100.0%0.0%0.0%
March 2026n/an/an/an/a
April 2026n/an/an/an/a
May 2026n/an/an/an/a
June 20260.0%100.0%0.0%0.0%
July 2026n/an/an/an/a
August 20260.0%0.0%100.0%0.0%
Duty paid, % of value
Show the numbers
MonthGermanySwitzerlandMexicoNorwayAll countries
September 2024n/a5.0%n/an/a5.0%
October 2024n/an/an/an/a30.0%
November 2024n/an/an/an/an/a
December 2024n/an/an/an/an/a
January 2025n/a5.0%n/an/a5.0%
February 2025n/an/an/an/an/a
March 2025n/an/an/an/an/a
April 2025n/a15.0%n/an/a15.0%
May 2025n/an/an/an/an/a
June 2025n/an/an/an/an/a
July 2025n/an/an/an/an/a
August 2025n/a44.0%n/an/a15.4%
September 2025n/an/an/an/an/a
October 2025n/a44.0%n/a20.0%34.6%
November 2025n/an/an/an/an/a
December 202515.0%44.0%n/an/a21.9%
January 2026n/an/an/an/an/a
February 2026n/a15.0%n/an/a15.0%
March 2026n/an/an/an/an/a
April 2026n/an/an/an/an/a
May 2026n/an/an/an/an/a
June 2026n/a15.0%n/an/a15.0%
July 2026n/an/an/an/an/a
August 2026n/an/a15.0%n/a15.0%

Tariff actions touching this product

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 3824.81

Where it enters the US

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

  1. Charleston, SC$38K · 47.0%
  2. Chicago, IL$25K · 30.3%
  3. Pembina, ND$16K · 19.7%
  4. Houston, TX$2K · 3.1%

Where US exports go

US exports were $4.9M in August 2026, up 103% from August 2025, and $30.2M over the last 12 months, up 15% on the 12 months before. Fastest-growing market with 3% or more of US exports: Mexico, up 574%.

MarketLast 12 monthsSharevs 12 months before
Saudi Arabia$4.6M15.2%+41%
United Arab Emirates$4.3M14.3%−32%
Canada$4.2M13.8%+8.7%
Mexico$2.4M8.0%+574%
France$2.0M6.5%+52%
Kuwait$2.0M6.5%+128%
Ecuador$1.9M6.4%−1.7%
Singapore$1.6M5.2%+67%
Other countries (33)$7.3M24.1%+5.2%
All countries$30.2M100.0%+15%

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; 78 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
Egypt$6.4Min 2025−0.5%$613K9.5%
Canada$5.1Min 2025+83%$4.9M97.2%
Saudi Arabia$4.4Min 2025+103%$3.6M83.0%
Spain$2.2Min 2025+95%$00.0%
Kuwait$2.1Min 2025+157%$1.7M81.3%
Malaysia$1.5Min 2025−24%$36K2.4%
France$1.2Min 2025−23%$690KUS records $1.5M57.3%
Brazil$1.2Min 2025+91%$104K9.0%

The biggest market outside the US is Egypt, which imported $6.4M of this product in 2025, 9.5% of that from the US.

The US supplies 97.2% of imports into Canada and 83.0% into Saudi Arabia, but under 10% into Egypt, Spain and Malaysia.

Of these, imports into Saudi Arabia grew fastest: up 103% from 2024 to 2025.

Other products under heading 3824: binders made for foundry molds or cores; chemical products and preparations, including residual products, of the chemical or allied industries, not elsewhere specified. US trade over the 12 months to August 2026.

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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