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HSChapter 55
U.S. imports of sewing thread of artificial staple fibers (HS 550820) totaled $9K in April 2026, traded with 7 countries.
Sewing Thread of Artificial Staple Fibers imports of $9K in April 2026 ran 30% above the year-to-date monthly average of $7K.
Last updated: April 2026 dataSewing thread made from artificial staple fibers — chiefly viscose rayon — occupies a smaller but distinct segment of the industrial thread market, prized for its sheen, smooth stitch appearance, and use in decorative embroidery and high-end apparel. The single US tariff line is 5508200000, covering both retail and non-retail presentations. Rayon sewing thread competes directly with polyester staple thread (heading 5508100000), and the classification boundary turns on fiber chemistry rather than end use.
AI-written summary of the official U.S. Census Bureau trade figures on this page — verify before relying on it.
A fiber content certificate or manufacturer's technical data sheet confirming the cellulosic origin of the fiber (e.g., viscose rayon, modal) is the most reliable documentation. Since artificial and synthetic staple fiber threads are classified under different headings (5508200000 vs. 5508100000), a mislabeled fiber content declaration can result in misclassification. Lab testing for fiber composition is available if the origin is disputed.
Trade remedy exposure depends on the specific tariff line and country of origin. Artificial staple fiber thread (5508200000) and synthetic staple fiber thread (5508100000) are separate tariff lines and may have different antidumping, countervailing duty, or Section 301 coverage. Importers should check the current scope of any applicable orders against the specific HTS line and origin country with a licensed customs broker.
Monthly import values over time
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| Country | Imports | Exports | Balance |
|---|---|---|---|
| SINGAPORE | -- | $55K | +$55K |
| COSTA RICA | -- | $32K | +$32K |
| VIETNAM | -- | $32K | +$32K |
| DOMINICAN REPUBLIC | -- | $17K | +$17K |
| CHINA | $8K | -- | -$8K |
HS10 import codes under this HS6 parent. Source: U.S. Harmonized Tariff Schedule.
| Code | Description | Import Value | Effective Tariff % | Duty Collected |
|---|---|---|---|---|
| 5508200000 | SEW THD MMF STPL FIB WTH NT RETAIL SALE ART STP FB | $9K | 43.35% | $4K |
SEW THD MMF STPL FIB WTH NT RETAIL SALE ART STP FB
HS10 export codes under this HS6 parent. Source: U.S. Schedule B export classification.
| Code | Description | Export Value |
|---|---|---|
| 5508200000 | SEW THD MMF STPL FIB WTH NT RETAIL SALE ART STP FB | $143K |
SEW THD MMF STPL FIB WTH NT RETAIL SALE ART STP FB
7.8K 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 |
|---|---|---|---|
| California | -- | $77K | +$77K |
| Ohio | -- | $42K | +$42K |
| Florida | -- | $17K | +$17K |
| Port | Imports | Exports | Balance |
|---|---|---|---|
| ANCHORAGE, AK | $718 | $55K | +$54K |
| COLUMBUS, OH | -- | $42K | +$42K |
| MIAMI INTERNATIONAL AIRPORT, FL | -- | $22K | +$22K |