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HSChapter 55
U.S. imports of polyester staple fibers, not processed for spinning (HS 550320) totaled $31.7M in April 2026, traded with 29 countries.
Importers of Polyester Staple Fibers, Not Processed for Spinning paid $4.0M in duties in April 2026 — an effective duty rate of 13% on $31.4M in dutiable value, based on actual customs collections rather than the published tariff schedule.
Last updated: April 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.
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.
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Monthly import values over time
| Country | Imports | Exports | Balance |
|---|---|---|---|
| KOREA, SOUTH | $11.4M | -- | -$11.4M |
| VIETNAM | $7.5M | -- | -$7.5M |
| THAILAND | $5.3M | $119K | -$5.2M |
| TAIWAN | $2.9M | -- | -$2.9M |
| MEXICO | $158K | $2.5M | +$2.3M |
HS10 import codes under this HS6 parent. Source: U.S. Harmonized Tariff Schedule.
| Code | Description | Import Value | Effective Tariff % | Duty Collected |
|---|---|---|---|---|
| 5503200065 | SYN STP FIB, NT PRCSSD, PLY, GT=13.2 DECITEX,NESOI | $11.4M | 13.32% | $1.5M |
| 5503200025 | SYN STP FIB, NT PRCSSD, OF POLY, LT 3.3 DECI,NESOI | $8.4M | 13.98% | $1.2M |
| 5503200015 | SYN STP FIB, NT PRCSSD, BI-COMPONENT, LOW MELT PLY | $6.9M | 10.35% | $713K |
| 5503200045 | SYN STP FIB,NT PRCD,POLY,GT=3.3& LT 13.2 DEC,NESOI | $4.9M | 13.48% | $664K |
SYN STP FIB, NT PRCSSD, PLY, GT=13.2 DECITEX,NESOI
SYN STP FIB, NT PRCSSD, OF POLY, LT 3.3 DECI,NESOI
SYN STP FIB, NT PRCSSD, BI-COMPONENT, LOW MELT PLY
SYN STP FIB,NT PRCD,POLY,GT=3.3& LT 13.2 DEC,NESOI
HS10 export codes under this HS6 parent. Source: U.S. Schedule B export classification.
| Code | Description | Export Value |
|---|---|---|
| 5503200000 | SYN STP FIB NT CRD, CMB OR PRSD SPNG: OF POLYESTER | $5.4M |
SYN STP FIB NT CRD, CMB OR PRSD SPNG: OF POLYESTER
2.6M kg
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
ART STP FIB NOT CRD, CMB OR PRSD SPNG, OTH VIS RYN
HS 550490
| State | Imports | Exports | Balance |
|---|---|---|---|
| North Carolina | $10.4M | $278K | -$10.1M |
| South Carolina | $6.2M | $3.3M | -$2.9M |
| California | $4.3M | $46K | -$4.3M |
| Port | Imports | Exports | Balance |
|---|---|---|---|
| CHARLESTON, SC | $11.0M | $473K | -$10.6M |
| SAVANNAH, GA | $6.8M | $187K | -$6.6M |
| LAREDO, TX | $191K | $2.2M | +$2.0M |