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Subheading 7 of 9 in heading 5515
Subheading 551599 · $261K of $8.7M
U.S. exports of woven fabrics of other synthetic staple fibers (not polyester, acrylic, or modacrylic), under 85%, mixed with other fibers (nesoi) (HS 551599) totaled $1.2M in July 2026.
Importers of Woven Fabrics of Other Synthetic Staple Fibers (Not Polyester, Acrylic, or Modacrylic), Under 85%, Mixed with Other Fibers (NESOI) paid $56K in duties in July 2026 — an effective duty rate of 21% on $261K in dutiable value, based on actual customs collections rather than the published tariff schedule. Woven Fabrics of Other Synthetic Staple Fibers (Not Polyester, Acrylic, or Modacrylic), Under 85%, Mixed with Other Fibers (NESOI) imports of $261K in July 2026 ran 19% below the year-to-date monthly average of $321K.
Last updated: July 2026 dataResidual woven fabrics of non-polyester, non-acrylic, non-modacrylic synthetic staple fibers blended with fibers other than manmade filaments — including wool, fine animal hair, cotton, or other natural fibers — are captured here when synthetic staple content is under 85% by weight. Italy leads US imports, with India, China, Turkey, and France also supplying the market, reflecting a globally distributed production base for specialty synthetic blends. The US schedule is notably detailed, with wool/fine animal hair blend lines subdivided by the 36% wool weight threshold and combing status (lines 5515990510, 5515990520, 5515991010, 5515991020), plus separate lines for cotton and other fiber blends. Given the residual nature of this heading, importers should systematically rule out all more specific headings before classifying here.
AI-written summary of the official U.S. Census Bureau trade figures on this page — verify before relying on it.
112 shipments/mo
The classification logic requires ruling out headings 551511–551519 (polyester staple blends) and 551521–551529 (acrylic/modacrylic staple blends) before arriving at 551599. If the synthetic staple fiber is confirmed as neither polyester nor acrylic/modacrylic, and the blending fiber is cotton (not a manmade filament), then 551599 applies. A fiber identification report specifying the polymer type is the key supporting document.
Lines 5515990510 and 5515990520 apply when wool or fine animal hair is 36% or more by weight (uncombed and combed, respectively), while lines 5515991010 and 5515991020 cover fabrics where wool or fine animal hair is below that threshold. When wool content is near the 36% boundary, a precise gravimetric fiber analysis is essential, and a binding ruling from CBP may be warranted to lock in the correct line before large-volume shipments.
HSChapter 55
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Get discovered by U.S. importers searching for HS 551599 — Woven Fabrics of Other Synthetic Staple Fibers (Not Polyester, Acrylic, or Modacrylic), Under 85%, Mixed with Other Fibers (NESOI). Be the first supplier listed.
ImportsExports
Imports
$261KYoY · Pro
Exports
$1.2MYoY · Pro
12-mo low · imports
YoY · ProThrough July 2026. Source: U.S. Census Bureau.
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 |
|---|---|---|---|---|---|
| 5515999090 | Oth Woven Fab of Synthetic Staple Fib Oth NESOI | $177K | 19.28% | 99.68% | $34K |
| 5515990510 | O Wv Fb Syn Sf O Wv Fb M W/Fah Gt=36% Wgt W/Fah | $45K | 27.00% | 100.00% | $12K |
| 5515991020 | Oth Wov Fab Syn St Fb Mixed Wool/Fn An Hair, Combd | $23K | 22.00% | 100.00% | $5K |
| 5515999005 | Oth Wov Fab of Syn Stp Fib Oth Yr Df Cl Ex Bd/Jc W | $17K | 27.70% | 103.81% | $5K |
| 5515999015 | Oth Wov Fab of Syn Stpl Fib Oth Poplin/Broadcloth | $0 | -- | -- | -- |
| 5515999030 | Oth Woven Fab of Synthetic Staple Fib Ot Oxf Cloth | $0 | -- | -- | -- |
| 5515999040 | Oth Wov Fabric of Synthetic Stp Fib Ot Sat/Twil Wv | $0 | -- | -- | -- |
| 5515991010 | Oth Wov Fab Syn St Fb Mixed Wool/Fn An Hair,Nt Cmb | $0 | -- | -- | -- |
| 5515990520 | O Wv Fb Syn Sf O Wv Fb M W/Fah Gt=36% Wt W/Fah Cmb | $0 | -- | -- | -- |
| 5515999010 | Oth Woven Fab of Synthetic Staple Fibers O Blue Dn | $0 | -- | -- | -- |
HS10 export codes under this HS6 parent, each with its own page. Source: U.S. Schedule B export classification.
| Code | Description | Export Value |
|---|---|---|
| 5515999000 | Other Wov Fab of Synthetic Stpl Fibers Other-NESOI | $1.1M |
| 5515992000 | Oth Wov Fab Syn Stpl Fib Oth Mix M/S Wl or Fn An H | $12K |
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.
Exports · July 2026
destination
Nicaragua and Haiti together take 73% of it.
customs district
origin
entry
rate provision · imports
the effective duty rate is 21.38%.