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HSChapter 55
U.S. imports of artificial staple fiber yarn mixed mainly with cotton, not for retail sale (under 85% artificial staple fibers) (HS 551030) totaled $741K in April 2026, traded with 7 countries.
Importers of Artificial Staple Fiber Yarn Mixed Mainly with Cotton, Not for Retail Sale (Under 85% Artificial Staple Fibers) paid $130K in duties in April 2026 — an effective duty rate of 18% on $741K in dutiable value, based on actual customs collections rather than the published tariff schedule. Artificial Staple Fiber Yarn Mixed Mainly with Cotton, Not for Retail Sale (Under 85% Artificial Staple Fibers) imports of $741K in April 2026 ran 77% above the year-to-date monthly average of $418K.
Last updated: April 2026 dataCotton is the dominant secondary fiber in these blended yarns, where artificial staple fibers such as viscose or modal account for less than 85% by weight — a blend profile common in lightweight apparel fabrics, shirting, and casual wear where cotton's breathability is enhanced by the luster and softness of artificial fibers. India leads US supply, with Indonesia and Costa Rica also among the top sources. The 'mixed mainly with cotton' qualifier requires that cotton outweigh any other non-artificial fiber present, a threshold that must be supported by fiber analysis documentation. The single 10-digit line is 5510300000.
AI-written summary of the official U.S. Census Bureau trade figures on this page — verify before relying on it.
The 'mixed mainly with cotton' qualifier means cotton must be the predominant non-artificial fiber by weight. If the secondary fiber is wool or fine animal hair, the yarn classifies under 551020; if the secondary fiber is another synthetic or artificial fiber, it may fall under 551090. Importers should obtain a full fiber breakdown from the spinner to confirm the correct heading before filing entry.
Costa Rica has a smaller but active textile manufacturing sector with some integrated spinning capacity, and its geographic proximity to the US supports competitive logistics for bulk yarn shipments. Its appearance among top suppliers for this specific blend category likely reflects niche production relationships with US apparel manufacturers rather than broad-based commodity volume.
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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 |
|---|---|---|---|---|
| 5510300000 | YRN N SWG THD ART STP FB N RT SL OT YRN M/S COTTON | $741K | 17.50% | $130K |
YRN N SWG THD ART STP FB N RT SL OT YRN M/S COTTON
HS10 export codes under this HS6 parent. Source: U.S. Schedule B export classification.
| Code | Description | Export Value |
|---|---|---|
| 5510300000 | YRN N SWG THD ART STP FB N RT SL OT YRN M/S COTTON | $23K |
YRN N SWG THD ART STP FB N RT SL OT YRN M/S COTTON
5.9K 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 |
|---|---|---|---|
| Florida | $530K | -- | -$530K |
| California | $200K | -- | -$200K |
| North Carolina | $10K | $23K | +$13K |
| Port | Imports | Exports | Balance |
|---|---|---|---|
| LOS ANGELES, CA | $650K | -- | -$650K |
| NORFOLK-NEWPORT NEWS, VA | $80K | -- | -$80K |
| HILDAGO, TX | -- | $23K | +$23K |