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HSChapter 55
U.S. imports of synthetic staple fibers of aramids, not carded or combed (HS 550311) totaled $4.1M in July 2026, traded with 11 countries.
Importers of Synthetic Staple Fibers of Aramids, Not Carded or Combed paid $536K in duties in July 2026 — an effective duty rate of 13% on $4.1M in dutiable value, based on actual customs collections rather than the published tariff schedule. Synthetic Staple Fibers of Aramids, Not Carded or Combed imports of $4.1M in July 2026 ran 10% below the year-to-date monthly average of $4.5M.
Last updated: July 2026 dataAramid staple fibers in their raw, unprocessed form — not yet carded, combed, or otherwise prepared for spinning — serve as a critical input for friction materials, gaskets, reinforced composites, and protective apparel. Classified under 5503110000, US imports are sourced primarily from Spain, France, and the Netherlands, reflecting the concentration of para- and meta-aramid staple production among a small number of European chemical companies. The narrow supplier base and specialized production technology make supply-chain continuity a key procurement risk for industrial buyers.
AI-written summary of the official U.S. Census Bureau trade figures on this page — verify before relying on it.
39 shipments/mo
HTS heading 5503 covers staple fibers that have not been carded, combed, or otherwise processed for spinning. Once aramid staple fiber undergoes carding or combing, it moves to heading 5506, which covers processed staple fibers ready for spinning. Importers should confirm the processing state of the fiber at the time of importation to ensure the correct heading is declared.
Certain high-performance aramid fibers may be subject to export controls in the country of origin due to their use in ballistic and aerospace applications. While US import classification under HTS 5503110000 does not itself trigger an import license requirement, buyers in defense or aerospace supply chains should verify whether the exporting country's controls require an export license and whether end-use certificates are needed.
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 |
|---|---|---|---|---|---|
| 5503110000 | Syn Stp Fib of Aramids, Nt Cd, Or Procd for Spinng | $4.1M | 13.22% | 101.00% | $536K |
HS10 export codes under this HS6 parent, each with its own page. Source: U.S. Schedule B export classification.
| Code | Description | Export Value |
|---|---|---|
| 5503110000 | Syn Stp Fib of Aramids, Nt Cd, Or Procd for Spinng | $3.4M |
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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ImportsExports
Imports
$4.1MYoY · Pro
Exports
$3.4MYoY · Pro
12-mo low · imports
YoY · ProThrough July 2026. Source: U.S. Census Bureau.
Imports · July 2026
origin
Thailand and France together supply 66% of it.
customs district
destination
entry
rate provision · imports
the effective duty rate is 13.22%.