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

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Synthetic filament yarn other than sewing thread, not put up for retail sale, high tenacity yarn of polyesters

In short

  • The US imported $169.3M of this product over the 12 months to August 2026, down 20% on the year before.
  • Vietnam is the largest supplier, with 43.8% of US imports; China is next, with 29.4%.
  • China is the cheapest main supplier before and after freight and duty, landing at $1.64/kg.
  • Duty paid averaged 21.7% of the value of imports in August 2026, down 2.7 points on a year earlier.
  • Vietnam is gaining share: 43.1% over the last 12 months, up from 40.6%.
  • US exports were $37.2M over the last 12 months; the largest market is Mexico, with 43.3%.

US imports, Aug 2026

$16.4M

↓ −23% vs Aug 2025

Last 12 months

$169.3M

↓ −20% vs the 12 months before

Average duty paid

21.7%

↓ −2.7 pts vs Aug 2025

Top supplier

Vietnam

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$21.4M
September 2025$18.6M
October 2025$16.6M
November 2025$16.7M
December 2025$9.9M
January 2026$12.1M
February 2026$11.6M
March 2026$11.6M
April 2026$12.7M
May 2026$13.3M
June 2026$16.0M
July 2026$13.8M
August 2026$16.4M

What changed

  • US imports were $16.4M in August 2026, up 19% from July 2026 and down 23% from August 2025.
  • Over the 12 months to August 2026 they totalled $169.3M, down 20% on the 12 months before.
  • Biggest moves in market share since July 2026: Indonesia up from 3.7% to 13.3%, Mexico down from 5.0% to 0.1%.
  • Average price from Indonesia rose 11% since July 2026, to $2.09/kg.
  • Duty paid on imports from Mexico rose from 0.2% to 9.7% of their value since July 2026.
  • Duty paid on imports from Germany fell from 17.9% to 10.0% of their value since July 2026.

US trade by year

US imports were $169.3M in the 12 months to Aug 2026, down 27% on the 12 months to Aug 2017. US exports were $37.2M, down 21%. 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.

2017201820192020202120222023202420252026China ↑Duty ↑
Show the numbers
PeriodUS imports
12 months to Aug 2017$231.9M
12 months to Aug 2018$335.0M
12 months to Aug 2019$315.6M
12 months to Aug 2020$202.4M
12 months to Aug 2021$219.7M
12 months to Aug 2022$290.8M
12 months to Aug 2023$242.1M
12 months to Aug 2024$188.0M
12 months to Aug 2025$211.1M
12 months to Aug 2026$169.3M
  • Vietnam
  • China
  • Indonesia
  • Taiwan
  • All countries
Share of US imports
Show the numbers
PeriodVietnamChinaIndonesiaTaiwan
12 months to Aug 20170.3%63.9%0.2%4.7%
12 months to Aug 20180.2%67.2%0.2%4.7%
12 months to Aug 20190.1%50.8%0.5%8.2%
12 months to Aug 20200.1%44.6%3.0%9.2%
12 months to Aug 20216.0%39.6%5.4%8.9%
12 months to Aug 202218.7%38.8%6.8%7.5%
12 months to Aug 202323.2%37.4%9.4%7.6%
12 months to Aug 202437.2%34.7%7.2%5.2%
12 months to Aug 202540.6%33.2%7.6%3.7%
12 months to Aug 202643.1%29.4%7.0%4.0%
Duty paid, % of value
Show the numbers
PeriodVietnamChinaIndonesiaTaiwanAll countries
12 months to Aug 20177.7%8.7%8.8%8.7%7.3%
12 months to Aug 20187.6%8.7%8.8%8.7%7.4%
12 months to Aug 20197.6%16.8%8.0%8.8%10.9%
12 months to Aug 20207.7%25.3%8.5%8.8%14.0%
12 months to Aug 20218.8%29.2%8.7%8.8%14.6%
12 months to Aug 20228.8%25.3%8.7%8.8%13.9%
12 months to Aug 20238.8%23.1%8.7%8.8%13.3%
12 months to Aug 20248.8%22.1%8.6%8.8%13.1%
12 months to Aug 202512.8%31.5%10.5%11.1%18.5%
12 months to Aug 202623.2%35.1%22.4%22.4%25.6%
PeriodUS importsDuty paidUS exports
12 months to Aug 2026$169.3M−20%25.6%+7.1 pts$37.2M+16%
12 months to Aug 2025$211.1M+12%18.5%+5.4 pts$32.1M−3.6%
12 months to Aug 2024$188.0M−22%13.1%−0.2 pts$33.4M−19%
12 months to Aug 2023$242.1M−17%13.3%−0.6 pts$41.2M−11%
12 months to Aug 2022$290.8M+32%13.9%−0.7 pts$46.6M+33%
12 months to Aug 2021$219.7M+8.6%14.6%+0.6 pts$34.9M+4.6%
12 months to Aug 2020$202.4M−36%14.0%+3.1 pts$33.4M−28%
12 months to Aug 2019$315.6M−5.8%10.9%+3.4 pts$46.5M−15%
12 months to Aug 2018$335.0M+44%7.4%+0.1 pts$55.0M+17%
12 months to Aug 2017$231.9M7.3%$47.2M

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
Vietnam$7.2M43.8%−5.8 pts$1.75/kg+17%20.7%+1.9 pts
China$4.8M29.4%+8.3 pts$1.33/kg+8.7%28.7%−21.2 pts
Indonesia$2.2M13.3%+5.2 pts$2.09/kg+24%18.8%−1.9 pts
India$591K3.6%−1.5 pts$1.72/kg+16%18.7%+0.1 pts
Germany$481K2.9%+0.5 pts$7.52/kg+31%10.0%−6.7 pts
Taiwan$361K2.2%−1.4 pts$2.14/kg+13%10.0%−8.6 pts
Japan$251K1.5%−2.2 pts$44.21/kg+51%11.6%−8.2 pts
Spain$183K1.1%+0.4 pts$3.10/kg+13%10.0%−8.6 pts
Other countries (6)$359K2.2%−3.2 pts$1.88/kg−28%6.1%−3.6 pts
All countries$16.4M100.0%$1.70/kg+6.7%21.7%−2.7 pts

The 3 largest suppliers had 79.5% 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
China$1.22/kg$0.08/kg6.7% of price$0.33/kg27.1% of price$1.64/kg−16%
Vietnam$1.70/kg$0.06/kg3.5% of price$0.32/kg19.1% of price$2.08/kg+8.0%
India$1.78/kg$0.14/kg7.6% of price$0.31/kg17.6% of price$2.22/kg+13%
Indonesia$1.87/kg$0.06/kg3.0% of price$0.34/kg18.5% of price$2.27/kg+10%
Taiwan$2.06/kg$0.14/kg6.6% of price$0.32/kg15.5% of price$2.52/kg−0.9%
All countries$1.66/kg$0.08/kg4.8% of price$0.34/kg20.3% of price$2.07/kg−0.2%

Landed at a US port, China was cheapest, at $1.64/kg: 21.2% below Vietnam.

Landed cost from China fell 16% on a year earlier, to $1.64/kg, mostly on duty: $0.60/kg then, $0.33/kg now.

How the market is shifting

Vietnam gained the most share: 43.1% of US imports over the last 12 months, up from 40.6% in the 12 months before. China lost the most: 29.4%, down from 33.2%. 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.

  • Vietnam
  • China
  • Indonesia
  • Taiwan
  • All countries
Share of US imports
Show the numbers
MonthVietnamChinaIndonesiaTaiwan
September 202438.1%37.4%7.6%5.5%
October 202435.9%35.9%11.1%3.6%
November 202426.6%48.7%9.7%3.5%
December 202428.3%41.3%11.0%4.8%
January 202524.0%51.3%9.4%3.5%
February 202534.6%35.9%9.8%5.7%
March 202535.6%35.6%9.3%3.9%
April 202545.7%27.5%11.1%2.6%
May 202554.0%24.0%0.2%1.7%
June 202566.4%9.4%0.0%3.8%
July 202549.8%28.6%3.2%2.3%
August 202549.6%21.1%8.1%3.6%
September 202552.0%19.4%9.3%4.1%
October 202548.4%23.2%10.6%4.0%
November 202543.0%31.6%9.4%4.4%
December 202547.0%22.2%5.7%7.8%
January 202649.6%30.0%0.0%6.3%
February 202629.9%30.4%8.7%3.4%
March 202642.3%35.0%7.1%3.3%
April 202639.5%37.1%0.2%1.1%
May 202637.5%36.6%0.1%3.3%
June 202637.3%32.0%10.5%4.0%
July 202642.3%29.9%3.7%5.3%
August 202643.8%29.4%13.3%2.2%
Duty paid, % of value
Show the numbers
MonthVietnamChinaIndonesiaTaiwanAll countries
September 20248.8%20.8%8.7%8.8%13.2%
October 20248.8%22.5%8.7%8.8%13.6%
November 20248.8%25.5%8.8%8.7%16.9%
December 20248.8%25.3%8.7%8.8%15.4%
January 20258.8%22.5%8.8%8.8%15.5%
February 20258.8%26.3%8.8%8.8%14.9%
March 20258.8%37.8%8.8%8.8%19.3%
April 20258.5%42.9%8.8%8.8%18.1%
May 202513.1%46.9%17.5%16.3%21.3%
June 202518.5%51.9%n/a18.8%21.0%
July 202518.7%46.8%18.8%18.6%26.3%
August 202518.9%49.8%20.7%18.6%24.3%
September 202522.7%48.3%23.2%20.8%27.7%
October 202528.8%52.8%27.8%28.8%34.3%
November 202528.8%45.0%27.8%28.8%32.8%
December 202528.7%39.2%27.8%28.8%29.7%
January 202628.8%38.7%n/a28.8%30.8%
February 202625.3%37.0%20.2%23.2%24.7%
March 202618.4%26.3%18.8%19.5%20.8%
April 202618.7%29.6%18.8%18.8%21.9%
May 202618.7%28.4%17.5%18.7%21.7%
June 202618.7%27.9%18.8%18.8%20.9%
July 202617.4%24.1%15.8%14.6%17.8%
August 202620.7%28.7%18.8%10.0%21.7%

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. January–March 2026 · Duty paid: Vietnam 28.7% → 18.7%, China 46.0% → 33.5%, all countries 31.8% → 21.8%.
  2. March–September 2025 · Duty paid: Vietnam 8.8% → 28.7%, China 25.8% → 47.1%, Korea, South 0.1% → 10.6%, all countries 15.3% → 30.2%.
  3. July 2019 · Duty paid: China 15.5% → 23.7%.
  4. September 2018 · Duty paid: China 8.9% → 16.2%.

Where it enters the US

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

  1. Charleston, SC$73.5M · 43.4%
  2. Savannah, GA$43.4M · 25.7%
  3. Norfolk-Newport News, VA$12.0M · 7.1%
  4. Tacoma, WA$7.4M · 4.4%
  5. Boston, MA$4.0M · 2.3%

Where US exports go

US exports were $2.8M in August 2026, up 11% from August 2025, and $37.2M over the last 12 months, up 16% on the 12 months before. Fastest-growing market with 3% or more of US exports: Singapore, up 477%.

MarketLast 12 monthsSharevs 12 months before
Mexico$16.1M43.3%−11%
Dominican Republic$9.6M25.9%+62%
Canada$1.6M4.4%−17%
Singapore$1.3M3.6%+477%
India$1.1M3.0%+68%
Hungary$1.1M2.9%+79%
Switzerland$787K2.1%+50%
Guatemala$632K1.7%+272%
Other countries (30)$4.9M13.1%+53%
All countries$37.2M100.0%+16%

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; 105 have reported 2025 so far.

MarketImportsvs year beforeFrom the USUS share
Korea, South$95.2Min 2025+6.8%$74K0.1%
Germany$89.6Min 2025−14%$114K0.1%
India$69.7Min 2025−9.7%$100K0.1%
Turkey$68.4Min 2025−9.2%$75K0.1%
Brazil$62.6Min 2025+22%$413K0.7%
Mexico$54.7Min 2025+1.2%$14.1M25.8%
Japan$52.5Min 2025−2.1%$19K0.0%
Romania$50.0Min 2025+4.1%$31K0.1%

The biggest market outside the US is South Korea, which imported $95.2M of this product in 2025, under 0.1% of it from the US.

The US supplies 25.8% of imports into Mexico, but under 10% into South Korea, Germany and India.

Of these, imports into Brazil grew fastest: up 22% from 2024 to 2025.

Other products under heading 5402: synthetic filament yarn (other than sewing thread), not put up for retail sale, including synthetic monofilaments of less than 67 decitex. 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.
  • 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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