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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 $306K in April 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 $42K in duties in April 2026 — an effective duty rate of 19% on $221K in dutiable value, based on actual customs collections rather than the published tariff schedule. Single Synthetic Staple Fiber Yarn (Other Than Acrylic/Modacrylic), ≥85% Synthetic Staple Fibers, Not for Retail Sale imports of $306K in April 2026 ran 30% below the year-to-date monthly average of $438K.
Last updated: April 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.
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.
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Monthly import values over time
HS10 import codes under this HS6 parent. Source: U.S. Harmonized Tariff Schedule.
| Code | Description | Import Value | Effective Tariff % | Duty Collected |
|---|---|---|---|---|
| 5509410090 | YRN N SWG TD SY ST FB N RTL SL GT=85% YR SY SF SY | $306K | 19.00% | $42K |
YRN N SWG TD SY ST FB N RTL SL GT=85% YR SY SF SY
HS10 export codes under this HS6 parent. 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 | $248K |
YRN N SW TD SY ST FB N RTL SL GE 85% O YR SY SF SY
59.2K kg
SYN STP FIB NT CRD, CMB OR PRSD SPNG, OF POLYESTER
HS 550320
ARTIF STP FIB NT CRD, CMB OR PRSD SPNG, VIS RAYON
HS 550410
YRN N SW TH MM ST FIB RT SL SYN STP FIB >=85% S FB
HS 551110
STPL FIB ARAMIDS NOT CARD/COMBD/PRCSD FOR SPINNING
HS 550311
SYN STP FIB NT CRD, CMB OR PRSD SPNG, ACRY/MODACRY
HS 550330
SYN STP FIB NOT CARD, CMB OR PRSD SPNG, NESOI
HS 550390
| State | Imports | Exports | Balance |
|---|---|---|---|
| Georgia | $206K | -- | -$206K |
| North Carolina | -- | $147K | +$147K |
| South Carolina | $3K | $96K | +$93K |
| Port | Imports | Exports | Balance |
|---|---|---|---|
| CHARLESTON, SC | $206K | -- | -$206K |
| GULFPORT, MS | -- | $147K | +$147K |
| BUFFALO-NIAGARA FALLS, NY | -- | $96K | +$96K |