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HSChapter 55
U.S. imports of single acrylic or modacrylic staple fiber yarn, ≥85% acrylic/modacrylic, not for retail sale (HS 550931) totaled $276K in April 2026, traded with 11 countries.
Importers of Single Acrylic or Modacrylic Staple Fiber Yarn, ≥85% Acrylic/Modacrylic, Not for Retail Sale paid $24K in duties in April 2026 — an effective duty rate of 19% on $125K in dutiable value, based on actual customs collections rather than the published tariff schedule. Single Acrylic or Modacrylic Staple Fiber Yarn, ≥85% Acrylic/Modacrylic, Not for Retail Sale imports of $276K in April 2026 ran 29% above the year-to-date monthly average of $214K.
Last updated: April 2026 dataAcrylic and modacrylic staple fiber yarns at 85% or more by weight, spun as single (non-plied) yarn and sold in bulk rather than retail packages, are a workhorse input for knitted outerwear, blankets, and upholstery fabrics. The single US tariff line under this heading is 5509310000. Guatemala leads US import supply, followed by Canada and Turkey — a geographically diverse sourcing base that reflects the global spread of acrylic spinning capacity. Importers should verify fiber content documentation carefully, as the 85% threshold is the classification boundary separating this heading from blended-fiber subheadings.
AI-written summary of the official U.S. Census Bureau trade figures on this page — verify before relying on it.
Classification at 85% or more acrylic or modacrylic by weight is based on the fiber composition of the yarn as imported. If the acrylic/modacrylic content falls below 85%, the yarn shifts to a blended-fiber subheading (e.g., 5509610000 or 5509620000 depending on the secondary fiber). Importers should obtain mill certificates or fiber analysis reports to substantiate the declared composition.
A single yarn is a strand produced in one spinning operation without subsequent twisting together with another strand. Multiple or cabled yarn (classified under 550932) consists of two or more single yarns twisted together. The distinction affects both the HTS line and, in some cases, applicable duty treatment, so the yarn's construction should be confirmed with the manufacturer before filing entry.
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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 |
|---|---|---|---|---|
| 5509310000 | YRN N SWG TD SY ST FB N RTL SL >=85% AC/MAC SFSY | $276K | 19.00% | $24K |
YRN N SWG TD SY ST FB N RTL SL >=85% AC/MAC SFSY
HS10 export codes under this HS6 parent. Source: U.S. Schedule B export classification.
| Code | Description | Export Value |
|---|---|---|
| 5509310000 | YRN N SWG TD SY ST FB N RTL SL >=85% AC/MAC SFSY | $323K |
YRN N SWG TD SY ST FB N RTL SL >=85% AC/MAC SFSY
31.9K 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 |
|---|---|---|---|
| New York | -- | $320K | +$320K |
| North Carolina | $109K | -- | -$109K |
| New Jersey | $69K | -- | -$69K |
| Port | Imports | Exports | Balance |
|---|---|---|---|
| JFK INTERNATIONAL AIRPORT, NY | $744 | $320K | +$319K |
| ALEXANDRIA BAY, NY | $59K | -- | -$59K |
| SAVANNAH, GA | $59K | -- | -$59K |