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HSChapter 55
U.S. imports of polyester staple fibers, not processed for spinning (HS 550320) totaled $33.6M in July 2026, traded with 32 countries.
Importers of Polyester Staple Fibers, Not Processed for Spinning paid $3.9M in duties in July 2026 — an effective duty rate of 13% on $30.9M in dutiable value, based on actual customs collections rather than the published tariff schedule.
Last updated: July 2026 dataSubject to Section 301 tariffs when sourced from China, polyester staple fibers in unprocessed form are a foundational input for nonwoven fabrics, fiberfill, and spun yarn production. The US tariff schedule subdivides this heading by decitex range and fiber construction: bi-component low-melt polyester (5503200015), fine fibers under 3.3 decitex (5503200025), mid-range 3.3–13.2 decitex (5503200045), and coarse fibers at or above 13.2 decitex (5503200065). South Korea leads US supply, followed by Vietnam and Thailand, making Asian origin concentration a key sourcing risk consideration for textile manufacturers.
AI-written summary of the official U.S. Census Bureau trade figures on this page — verify before relying on it.
659 shipments/mo
The US schedule breaks polyester staple fibers into distinct 10-digit lines based on fiber fineness: below 3.3 decitex (5503200025), 3.3 to under 13.2 decitex (5503200045), and 13.2 decitex or above (5503200065). Bi-component low-melt constructions have their own dedicated line (5503200015). Importers should confirm the fiber's decitex specification from the mill before filing entry to avoid misclassification.
Bi-component low-melt fibers consist of two polymer components with different melting points, enabling thermal bonding in nonwoven applications without adhesives. This construction places them in a dedicated tariff line (5503200015) separate from conventional single-component polyester staple fibers, so the fiber's technical data sheet confirming its bi-component structure is essential documentation at entry.
ImportsExports
Imports
$33.6MYoY · Pro
Exports
$5.8MYoY · Pro
12-mo low · imports
YoY · ProThrough July 2026. Source: U.S. Census Bureau.
Imports · July 2026
origin
Korea, South and Vietnam together supply 52% of it.
customs district
destination
entry
rate provision · imports
8.1% enters free of duty; the effective duty rate is 11.64%.
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 |
|---|---|---|---|---|---|
| 5503200025 | Syn Stp Fib, Nt Prcssd, Of Poly, Lt 3.3 Deci,NESOI | $9.8M | 12.46% | 96.14% | $1.2M |
| 5503200065 | Syn Stp Fib, Nt Prcssd, Ply, Gt=13.2 Decitex,NESOI | $9.1M | 12.28% | 94.90% | $1.1M |
| 5503200015 | Syn Stp Fib, Nt Prcssd, Bi-Component, Low Melt Ply | $8.0M | 8.70% | 80.51% | $693K |
| 5503200045 | Syn Stp Fib,Nt Prcd,Poly,Gt=3.3& Lt 13.2 Dec,NESOI | $6.7M | 13.07% | 95.12% | $875K |
HS10 export codes under this HS6 parent, each with its own page. Source: U.S. Schedule B export classification.
| Code | Description | Export Value |
|---|---|---|
| 5503200000 | Syn Stp Fib Nt Crd, Cmb or Prsd Spng: of Polyester | $5.8M |
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.
Subheading 1 of 6 in heading 5503
Subheading 550320 · $33.6M of $54.1M
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