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U.S. imports of polypropylene staple fibers, not processed for spinning (HS 550340) totaled $5.4M in July 2026, traded with 25 countries.
Importers of Polypropylene Staple Fibers, Not Processed for Spinning paid $681K in duties in July 2026 — an effective duty rate of 13% on $5.3M in dutiable value, based on actual customs collections rather than the published tariff schedule. Polypropylene Staple Fibers, Not Processed for Spinning imports of $5.4M in July 2026 ran 41% above the year-to-date monthly average of $3.8M.
Last updated: July 2026 dataPolypropylene staple fibers in unprocessed form are a primary raw material for geotextiles, hygiene nonwovens, and industrial filtration fabrics, valued for their chemical resistance and low density. The heading resolves to a single US tariff line (5503400000), making fiber identity — confirmed by polymer type — the key classification determinant. India leads US imports under this heading, with Belgium and Saudi Arabia also among the notable source countries.
AI-written summary of the official U.S. Census Bureau trade figures on this page — verify before relying on it.
97 shipments/mo
The largest end uses are hygiene and medical nonwovens (diapers, wipes, surgical drapes), geotextiles for civil engineering, and industrial filtration media. Polypropylene's moisture resistance and low cost relative to polyester make it the preferred fiber in these applications, and demand often tracks construction activity and consumer goods production cycles.
Yes — both are white, crimped synthetic staple fibers that look similar in bulk form. Customs may request a fiber identification test or a mill certificate specifying the polymer type. Polypropylene is classified under 5503400000, while polyester falls under the 5503200000 series; a misidentification between the two is a common classification error that can be resolved with a supplier-issued fiber analysis report.
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Subheading 3 of 6 in heading 5503
Subheading 550340 · $5.4M of $54.1M
ImportsExports
Imports
$5.4MYoY · Pro
Exports
$2.8MYoY · Pro
12-mo low · imports
YoY · ProThrough July 2026. Source: U.S. Census Bureau.
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 |
|---|---|---|---|---|---|
| 5503400000 | Syn Stp Fib Nt Crd, Cmb or Prsd Spng: Polyproplene | $5.4M | 12.62% | 99.13% | $681K |
HS10 export codes under this HS6 parent, each with its own page. Source: U.S. Schedule B export classification.
| Code | Description | Export Value |
|---|---|---|
| 5503400000 | Syn Stp Fib Nt Crd, Cmb or Prsd Spng: Polyproplene | $2.8M |
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.
Imports · July 2026
origin
India and Belgium together supply 54% of it.
customs district
destination
entry
rate provision · imports
0.9% enters free of duty; the effective duty rate is 12.62%.