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

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HS 5509.11

Synthetic staple fiber yarn (except sewing thread), not for retail sale, 85% or more (wt.) of nylon or other polyamides, single yarn

In short

  • The US imported $6.4M of this product over the 12 months to August 2026, down 24% on the year before.
  • Canada is the largest supplier, with 59.3% of US imports; Korea, South is next, with 31.8%.
  • Canada is the cheapest main supplier before and after freight and duty, landing at $28.86/kg.
  • Duty paid averaged 5.4% of the value of imports in August 2026, up 5.0 points on a year earlier.
  • Canada is gaining share: 80.5% over the last 12 months, up from 78.3%.
  • US exports were $1.5M over the last 12 months; the largest market is Canada, with 75.8%.

US imports, Aug 2026

$1.0M

↑ +30% vs Aug 2025

Last 12 months

$6.4M

↓ −24% vs the 12 months before

Average duty paid

5.4%

↑ +5.0 pts vs Aug 2025

Top supplier

Canada

59.3% 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$803K
September 2025$649K
October 2025$518K
November 2025$433K
December 2025$569K
January 2026$948K
February 2026$248K
March 2026$486K
April 2026$421K
May 2026$506K
June 2026$302K
July 2026$235K
August 2026$1.0M

What changed

  • US imports were $1.0M in August 2026, up 345% from July 2026 and up 30% from August 2025.
  • Over the 12 months to August 2026 they totalled $6.4M, down 24% on the 12 months before.
  • Biggest moves in market share since July 2026: Korea, South up from 0.0% to 31.8%, Canada down from 100.0% to 59.3%.
  • Average price from Canada fell 16% since July 2026, to $26.72/kg.
  • Duty paid by the main suppliers held within 2 points of July 2026.

US trade by year

US imports were $6.4M in the 12 months to Aug 2026, up 48% on the 12 months to Aug 2017. US exports were $1.5M, down 84%.

2017201820192020202120222023202420252026
Show the numbers
PeriodUS imports
12 months to Aug 2017$4.3M
12 months to Aug 2018$6.4M
12 months to Aug 2019$6.4M
12 months to Aug 2020$5.0M
12 months to Aug 2021$4.1M
12 months to Aug 2022$6.4M
12 months to Aug 2023$6.3M
12 months to Aug 2024$8.8M
12 months to Aug 2025$8.3M
12 months to Aug 2026$6.4M
  • Canada
  • Korea, South
  • Turkey
  • Taiwan
  • All countries
Share of US imports
Show the numbers
PeriodCanadaKorea, SouthTurkeyTaiwan
12 months to Aug 201794.3%0.0%0.0%0.0%
12 months to Aug 201879.7%0.0%0.0%0.2%
12 months to Aug 201985.8%9.2%0.0%1.0%
12 months to Aug 202086.4%4.0%3.6%1.9%
12 months to Aug 202188.2%5.9%0.0%1.1%
12 months to Aug 202276.5%3.1%7.1%1.5%
12 months to Aug 202363.5%14.6%0.0%0.0%
12 months to Aug 202468.5%10.9%0.1%0.5%
12 months to Aug 202578.3%8.0%4.4%1.4%
12 months to Aug 202680.5%8.4%6.2%1.1%
Duty paid, % of value
Show the numbers
PeriodCanadaKorea, SouthTurkeyTaiwanAll countries
12 months to Aug 20170.0%n/an/an/a0.5%
12 months to Aug 20180.0%n/an/a9.4%1.9%
12 months to Aug 20190.0%0.0%n/a9.4%0.5%
12 months to Aug 20200.0%0.0%9.4%9.4%1.1%
12 months to Aug 20210.0%0.0%n/a9.4%0.5%
12 months to Aug 20220.0%0.0%9.4%9.4%1.9%
12 months to Aug 20230.0%0.0%n/an/a0.4%
12 months to Aug 20240.0%0.1%9.4%9.4%1.6%
12 months to Aug 20250.0%1.0%10.2%16.5%1.5%
12 months to Aug 20260.0%12.3%21.7%24.9%3.5%
PeriodUS importsDuty paidUS exports
12 months to Aug 2026$6.4M−24%3.5%+2.0 pts$1.5M−50%
12 months to Aug 2025$8.3M−5.0%1.5%−0.1 pts$3.1M−47%
12 months to Aug 2024$8.8M+40%1.6%+1.2 pts$5.8M−5.5%
12 months to Aug 2023$6.3M−2.7%0.4%−1.5 pts$6.2M+67%
12 months to Aug 2022$6.4M+58%1.9%+1.4 pts$3.7M−16%
12 months to Aug 2021$4.1M−18%0.5%−0.6 pts$4.4M−32%
12 months to Aug 2020$5.0M−22%1.1%+0.7 pts$6.5M−38%
12 months to Aug 2019$6.4M−1.2%0.5%−1.4 pts$10.5M−35%
12 months to Aug 2018$6.4M+50%1.9%+1.4 pts$16.1M+64%
12 months to Aug 2017$4.3M0.5%$9.8M

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
Canada$620K59.3%−38.7 pts$26.72/kg+7.3%0.0%0.0 pts
Korea, South$332K31.8%new$35.00/kg12.5%
Spain$44K4.3%new$17.95/kg10.0%
Turkey$44K4.2%new$36.79/kg21.9%
United Kingdom$4K0.4%−1.2 pts$20.59/kg−26%19.4%0.0 pts
All countries$1.0M100.0%$28.57/kg+15%5.4%+5.0 pts

The 3 largest suppliers had 95.1% 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
Canada$28.67/kg$0.19/kg0.7% of price$0.00/kg0.0% of price$28.86/kg+4.1%
Korea, South$38.51/kg$0.99/kg2.6% of price$4.60/kg11.9% of price$44.10/kg+281%
Turkey$39.38/kg$4.81/kg12.2% of price$8.07/kg20.5% of price$52.26/kg+47%
All countries$30.78/kg$0.60/kg2.0% of price$1.50/kg4.9% of price$32.88/kg+17%

Landed at a US port, Canada was cheapest, at $28.86/kg: 34.6% below Korea, South.

Landed cost from Korea, South rose 281% on a year earlier, to $44.10/kg, mostly on price: $10.22/kg then, $38.51/kg now.

How the market is shifting

Canada gained the most share: 80.5% of US imports over the last 12 months, up from 78.3% in the 12 months before. Mexico lost the most: 1.0%, down from 6.1%. The charts show September 2024 to August 2026 for the 4 largest suppliers over the last 12 months.

  • Canada
  • Korea, South
  • Turkey
  • Taiwan
  • All countries
Share of US imports
Show the numbers
MonthCanadaKorea, SouthTurkeyTaiwan
September 202461.8%8.5%0.0%0.0%
October 202463.3%6.3%12.0%0.0%
November 202471.2%0.0%20.2%1.0%
December 202483.1%0.0%0.0%0.0%
January 202578.7%0.0%16.1%0.0%
February 202597.9%0.0%0.0%0.0%
March 202563.2%35.7%0.0%0.0%
April 202569.4%2.7%0.0%5.7%
May 202587.3%0.0%5.5%5.5%
June 202589.3%0.0%1.4%9.1%
July 202593.5%2.4%4.1%0.0%
August 202598.1%0.0%0.0%0.0%
September 202579.9%0.8%9.5%0.0%
October 202595.8%0.0%0.0%0.0%
November 202581.5%0.0%9.6%8.9%
December 202580.1%0.0%9.3%0.0%
January 202693.4%3.1%0.0%0.0%
February 202699.9%0.0%0.1%0.0%
March 202695.1%4.9%0.0%0.0%
April 202653.8%10.5%33.0%0.0%
May 202693.0%0.1%0.0%6.2%
June 202649.4%31.8%18.9%0.0%
July 2026100.0%0.0%0.0%0.0%
August 202659.3%31.8%4.2%0.0%
Duty paid, % of value
Show the numbers
MonthCanadaKorea, SouthTurkeyTaiwanAll countries
September 20240.0%2.8%n/an/a2.3%
October 20240.0%1.3%9.4%n/a2.9%
November 20240.0%n/a9.4%9.4%2.7%
December 20240.0%n/an/an/a0.0%
January 20250.0%n/a9.4%n/a1.8%
February 20250.0%n/an/an/a0.1%
March 20250.0%0.0%n/an/a0.2%
April 20250.0%19.4%n/a9.4%4.3%
May 20250.0%n/a9.4%19.4%1.9%
June 20250.0%n/a19.4%19.4%2.1%
July 20250.0%13.1%19.4%n/a1.1%
August 20250.0%n/an/an/a0.4%
September 20250.0%15.0%24.4%n/a2.7%
October 20250.0%n/an/an/a1.2%
November 20250.0%n/a24.4%29.4%5.0%
December 20250.0%n/a24.4%n/a7.0%
January 20260.0%15.0%n/an/a1.3%
February 20260.0%n/a24.3%n/a0.0%
March 20260.0%19.4%n/an/a0.9%
April 20260.0%10.0%19.4%n/a8.0%
May 20260.0%10.0%n/a19.4%1.5%
June 20260.0%10.0%19.4%n/a6.8%
July 20260.0%n/an/an/a0.0%
August 20260.0%12.5%21.9%n/a5.4%

Where it enters the US

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

  1. Highgate Springs-Alburg, VT$1.3M · 19.7%
  2. Champlain-Rouses Point, NY$1.2M · 18.4%
  3. Jackman, ME$728K · 11.4%
  4. Derby Line, VT$687K · 10.8%
  5. Alexandria Bay, NY$661K · 10.4%

Where US exports go

US exports were $156K in August 2026, down 45% from August 2025, and $1.5M over the last 12 months, down 50% on the 12 months before.

MarketLast 12 monthsSharevs 12 months before
Canada$1.2M75.8%−50%
El Salvador$265K17.1%new
India$31K2.0%−81%
Jamaica$26K1.7%+365%
United Kingdom$25K1.6%new
Dominican Republic$9K0.6%new
Israel$8K0.5%new
Romania$4K0.3%new
Other countries (2)$7K0.4%−89%
All countries$1.5M100.0%−50%

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; 95 have reported 2025 so far.

MarketImportsvs year beforeFrom the USUS share
Slovakia$25.2Min 2025+18%$00.0%
Germany$10.7Min 2025+32%$3370.0%
Italy$5.3Min 2025+70%$5K0.1%
United Kingdom$4.8Min 2025−1.6%$39K0.8%
France$3.5Min 2025+95%$5960.0%
Canada$2.3Min 2025+5.4%$1.7M75.8%
India$1.5Min 2025+112%$8K0.5%
Belgium$1.3Min 2025−14%$00.0%

The biggest market outside the US is Slovakia, which imported $25.2M of this product in 2025, none of it from the US.

The US supplies 75.8% of imports into Canada, but under 10% into Slovakia, Germany and Italy.

Of these, imports into France grew fastest: up 95% from 2024 to 2025.

Other products under heading 5509: yarn (other than sewing thread) of synthetic staple fibers, not put up for retail sale. US trade over the 12 months to August 2026.

ProductUS importsUS exports
Synthetic staple fiber yarn (except sewing thread), not for retail sale, under 85% (wt.) of polyester mixed mainly with cottonHS 5509.53$5.2M$246.8M
Synthetic staple fiber yarn (not sewing thread), not for retail sale, under 85% (wt.) of synthetic staple fibers not elsewhere specified mixed mainly with cottonHS 5509.92$55K$52.6M
Synthetic staple fiber yarn (except sewing thread), not for retail sale, 85% or more (wt.) of polyesters, multiple or cabled yarnHS 5509.22$21.0M$4.4M
Synthetic staple fiber yarn (except sewing thread), not for retail sale, 85% or more (wt.) of polyesters, single yarnHS 5509.21$16.2M$6.2M
Synthetic staple fiber yarn (except sewing thread), not for retail sale, 85% or more (wt.) of acrylics or modacrylics, multiple or cabled yarnHS 5509.32$10.8M$278K
Synthetic staple fiber yarn (not sewing thread), not for retail sale, under 85% (wt.) of acrylics or modacrylics mixed mainly with cottonHS 5509.62$8.1M$76K
Synthetic staple fiber yarn (except sewing thread), not for retail sale, 85% or more (wt.) of synthetic staple fibers not elsewhere specified, multiple or cabled yarnHS 5509.42$7.4M$207K
Synthetic staple fiber yarn (except sewing thread), not for retail sale, 85% or more (wt.) of nylon or other polyamides, multiple or cabled yarnHS 5509.12$5.4M$2.1M
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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