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HSChapter 54
U.S. imports of sewing thread of artificial filaments (HS 540120) totaled $116K in July 2026, traded with 15 countries.
Importers of Sewing Thread of Artificial Filaments paid $30K in duties in July 2026 — an effective duty rate of 26% on $116K in dutiable value, based on actual customs collections rather than the published tariff schedule. Sewing Thread of Artificial Filaments imports of $116K in July 2026 ran 60% above the year-to-date monthly average of $73K.
Last updated: July 2026 dataSewing thread made from regenerated cellulosic filaments — principally viscose rayon and cupro — occupies a specialty niche in apparel manufacturing where a silk-like luster and smooth hand are required, particularly in luxury garment construction and decorative stitching. Mexico leads US imports of this heading, followed by Indonesia and China. A single 10-digit line (5401200000) covers all presentations, so the classification pivot is confirming the filament is artificial/regenerated rather than synthetic — a distinction that requires fiber content documentation and is a recurring source of misclassification when polyester and rayon threads are visually similar.
AI-written summary of the official U.S. Census Bureau trade figures on this page — verify before relying on it.
100 shipments/mo
The distinction rests on fiber origin: artificial filaments are regenerated from natural cellulose (e.g., viscose rayon, cupro, modal), while synthetic filaments are petroleum-derived polymers (e.g., polyester, nylon). A manufacturer's fiber content certificate or a laboratory burn/solubility test report is the standard evidence. Given the visual similarity between rayon and polyester threads, laboratory confirmation is advisable for high-value or high-volume shipments.
Goods of Chinese origin across many textile and apparel headings, including this one, may be subject to Section 301 tariffs in addition to the standard column 1 duty rate. Importers should verify the current Section 301 status for 5401200000 with a licensed customs broker before finalizing landed-cost calculations, as these measures can materially affect the economics of sourcing from China versus alternative suppliers such as Mexico or Indonesia.
ImportsExports
Imports
$116KYoY · Pro
Exports
$37KYoY · 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
India and Indonesia together supply 74% of it.
customs district
destination
entry
rate provision · imports
the effective duty rate is 25.93%.
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 |
|---|---|---|---|---|---|
| 5401200000 | Sewing Thread Artificial Filaments for Retail Sale | $116K | 25.93% | 100.00% | $30K |
HS10 export codes under this HS6 parent, each with its own page. Source: U.S. Schedule B export classification.
| Code | Description | Export Value |
|---|---|---|
| 5401200000 | Sewing Thread Artificial Filaments for Retail Sale | $37K |
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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Subheading 2 of 2 in heading 5401
Subheading 540120 · $116K of $3.9M