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HSChapter 55
U.S. imports of single synthetic staple fiber yarn (other than acrylic/modacrylic), ≥85% synthetic staple fibers, not for retail sale (HS 550941) totaled $402K in July 2026, traded with 12 countries.
Importers of Single Synthetic Staple Fiber Yarn (Other Than Acrylic/Modacrylic), ≥85% Synthetic Staple Fibers, Not for Retail Sale paid $60K in duties in July 2026 — an effective duty rate of 19% on $309K in dutiable value, based on actual customs collections rather than the published tariff schedule.
Last updated: July 2026 dataPolypropylene, polyvinyl alcohol (PVA), and other non-acrylic synthetic staple fiber single yarns at 85% or more by weight fall here — a residual 'NESOI' category that captures specialty fibers not classified under polyester or acrylic headings. The US schedule provides three lines under this heading: 5509410000 (general), 5509410010 (PVA fiber yarn specifically), and 5509410090 (other). Indonesia and Italy are the primary sources, with Canada and India also supplying this heading. The PVA-specific line (5509410010) is notable for technical textile applications such as cement reinforcement and water-soluble packaging.
AI-written summary of the official U.S. Census Bureau trade figures on this page — verify before relying on it.
9 shipments/mo
PVA fiber yarn (5509410010) is singled out because of its distinct end-use profile — it is water-soluble and used in technical applications like cement reinforcement, embroidery backing, and specialty nonwovens — which can affect duty treatment and statistical tracking separately from conventional synthetic staple yarns classified under 5509410090.
The fiber composition by weight must be verified through mill certificates or laboratory analysis. If the dominant synthetic fiber (other than acrylic/modacrylic or polyester) constitutes 85% or more of the yarn's weight, classification falls under 550941. If it is below 85% and mixed mainly with another fiber type, the yarn would move to the appropriate blended subheading in 5509 (e.g., 550951–550959 for polyester blends). Consulting a licensed customs broker is advisable when fiber composition is near the threshold.
Subheading 5 of 18 in heading 5509
Subheading 550941 · $402K of $6.6M
ImportsExports
Imports
$402KYoY · Pro
Exports
$343KYoY · Pro
12-mo low · imports
YoY · ProFewer than 6 of the last 12 months reported trade above $500K; the trend chart is not shown for thin series.
Through July 2026. Source: U.S. Census Bureau.
Imports · July 2026
origin
Indonesia and Canada together supply 85% of it.
customs district
destination
entry
rate provision · imports
23.3% enters free of duty; the effective duty rate is 14.79%.
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 |
|---|---|---|---|---|---|
| 5509410090 | Yrn N Swg Td Sy St Fb N Rtl Sl Gt=85% Yr Sy Sf Sy | $402K | 14.79% | 76.75% | $60K |
HS10 export codes under this HS6 parent, each with its own page. Source: U.S. Schedule B export classification.
| Code | Description | Export Value |
|---|---|---|
| 5509410000 | Yrn N Sw Td Sy St Fb N Rtl Sl Ge 85% O Yr Sy Sf Sy | $343K |
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.
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