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HSChapter 55
U.S. imports of polypropylene staple fibers, not processed for spinning (HS 550340) totaled $3.0M in April 2026, traded with 23 countries.
Importers of Polypropylene Staple Fibers, Not Processed for Spinning paid $430K in duties in April 2026 — an effective duty rate of 14% on $3.0M in dutiable value, based on actual customs collections rather than the published tariff schedule.
Last updated: April 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.
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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Monthly import values over time
| Country | Imports | Exports | Balance |
|---|---|---|---|
| CANADA | -- | $1.0M | +$1.0M |
| INDIA | $842K | $62K | -$780K |
| JAPAN | $737K | -- | -$737K |
| BELGIUM | $435K | -- | -$435K |
| SAUDI ARABIA | $410K | -- | -$410K |
HS10 import codes under this HS6 parent. Source: U.S. Harmonized Tariff Schedule.
| Code | Description | Import Value | Effective Tariff % | Duty Collected |
|---|---|---|---|---|
| 5503400000 | SYN STP FIB NT CRD, CMB OR PRSD SPNG: POLYPROPLENE | $3.0M | 14.22% | $430K |
SYN STP FIB NT CRD, CMB OR PRSD SPNG: POLYPROPLENE
HS10 export codes under this HS6 parent. Source: U.S. Schedule B export classification.
| Code | Description | Export Value |
|---|---|---|
| 5503400000 | SYN STP FIB NT CRD, CMB OR PRSD SPNG: POLYPROPLENE | $2.2M |
SYN STP FIB NT CRD, CMB OR PRSD SPNG: POLYPROPLENE
680.1K 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 |
|---|---|---|---|
| Georgia | $1.5M | $460K | -$1.0M |
| Illinois | $762K | $148K | -$613K |
| Pennsylvania | $91K | $587K | +$496K |
| Port | Imports | Exports | Balance |
|---|---|---|---|
| SAVANNAH, GA | $1.5M | $136K | -$1.3M |
| LOS ANGELES, CA | $774K | $26K | -$747K |
| CHAMPLAIN-ROUSES POINT, NY | -- | $470K | +$470K |