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HSChapter 54
U.S. imports of other synthetic filament yarn, single, untwisted or ≤50 turns/meter, not for retail sale (nesoi) (HS 540249) totaled $1.5M in April 2026, traded with 12 countries.
Importers of Other Synthetic Filament Yarn, Single, Untwisted or ≤50 Turns/Meter, Not for Retail Sale (NESOI) paid $453K in duties in April 2026 — an effective duty rate of 29% on $1.5M in dutiable value, based on actual customs collections rather than the published tariff schedule. Other Synthetic Filament Yarn, Single, Untwisted or ≤50 Turns/Meter, Not for Retail Sale (NESOI) imports of $1.5M in April 2026 ran 11% below the year-to-date monthly average of $1.7M.
Last updated: April 2026 dataCovering synthetic filament yarns other than nylon, polyester, and polypropylene — including polyethylene and specialty polymer yarns — this residual heading captures technically advanced and niche-application products not elsewhere specified. Eight 10-digit lines (including 5402490115, 5402490140, 5402490175, 5402491100, 5402499115, 5402499140, 5402499175, and 5402499180) differentiate by fiber type (polyethylene versus other synthetics), filament count, twist level, decitex, and end-use (e.g., wig yarn). China is the leading US supplier, with Japan, the Netherlands, Germany, and Austria also notable sources — a supplier mix that reflects both commodity polyethylene yarn and high-value specialty filaments from European producers. Section 301 tariffs apply to imports from China, adding a cost layer that importers must factor into sourcing decisions.
AI-written summary of the official U.S. Census Bureau trade figures on this page — verify before relying on it.
Lines 5402490115, 5402490175, 5402499115, and 5402499175 are dedicated to polyethylene filament yarn at specific twist thresholds (below 5 turns/m and between 5–50 turns/m), while the NESOI lines (5402490140, 5402499140, 5402499180) capture all other synthetic filament yarns not covered by polyethylene, nylon, polyester, or polypropylene provisions. Correct classification requires confirming the polymer composition from the manufacturer's specification sheet.
Line 5402491100 covers colored multifilament yarn with fewer than 5 turns/m that is specifically used for wigs, excluding elastomeric constructions. The wig-use designation is a functional criterion, so importers should retain documentation — such as purchase orders or end-use certifications — confirming the intended application if CBP questions the classification.
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| Country | Imports | Exports | Balance |
|---|---|---|---|
| MEXICO | -- | $1.9M | +$1.9M |
| KOREA, SOUTH | -- | $1.3M | +$1.3M |
| NETHERLANDS | $91K | $1.1M | +$1.0M |
| CHINA | $776K | $197K | -$579K |
| UNITED KINGDOM | $22K | $744K | +$722K |
Monthly import values over time
HS10 import codes under this HS6 parent. Source: U.S. Harmonized Tariff Schedule.
| Code | Description | Import Value | Effective Tariff % | Duty Collected |
|---|---|---|---|---|
| 5402499115 | POLYETHYLENE SYN FIL YN UNTWST/TWST LT 5 M2 NESOI | $912K | 38.93% | $355K |
| 5402499140 | SYN FIL YN LT 67 SING YN MONO/MULT LT 5TR/M2 NESOI | $330K | 18.00% | $59K |
| 5402491100 | SYN FIL YN,CLRD MULTIFL,LT 5 TRNS/M, WIG,EXC ELAST | $228K | 10.53% | $24K |
| 5402499175 | POLYETHYLENE SYN FIL YRN MULT GT=5 LT=50TM2 NESOI | $39K | 20.76% | $8K |
| 5402499180 | SYN FIL YRN TEX LT 67 DC MULT GT=5 LT=50TM2 NESOI | $27K | 22.16% | $6K |
POLYETHYLENE SYN FIL YN UNTWST/TWST LT 5 M2 NESOI
SYN FIL YN LT 67 SING YN MONO/MULT LT 5TR/M2 NESOI
SYN FIL YN,CLRD MULTIFL,LT 5 TRNS/M, WIG,EXC ELAST
POLYETHYLENE SYN FIL YRN MULT GT=5 LT=50TM2 NESOI
SYN FIL YRN TEX LT 67 DC MULT GT=5 LT=50TM2 NESOI
HS10 export codes under this HS6 parent. Source: U.S. Schedule B export classification.
| Code | Description | Export Value |
|---|---|---|
| 5402490175 | POLYETHYLENE YARN FIIL MULT, GT=5, LT=50 TRN/M | $2.5M |
| 5402490115 | POLYETHYLENE YARN FIL UNTWIST/TWST LT 5 TRN/M | $1.8M |
| 5402490140 | SYN FL YN EXSEW NO RT SNG,MON,MUL LT 5 TRN/M NESOI | $1.3M |
| 5402499180 | SYN FIL YRN TEX LT 67 DC MULT GT=5 LT=50TM2 NESOI | $119K |
POLYETHYLENE YARN FIIL MULT, GT=5, LT=50 TRN/M
415.9K kg
POLYETHYLENE YARN FIL UNTWIST/TWST LT 5 TRN/M
107.9K kg
SYN FL YN EXSEW NO RT SNG,MON,MUL LT 5 TRN/M NESOI
137.1K kg
SYN FIL YRN TEX LT 67 DC MULT GT=5 LT=50TM2 NESOI
33.6K kg
SYNTHETIC FILAMENT YARN FABRIC FROM THE STRIP
HS 540720
SYN FIL YARN EX SEWING NO RETAIL, POLYESTER
HS 540220
SYNTHETIC STRIP WIDTH NOT > 5MM
HS 540490
SYN FIL YN EXSEW NO RT TX POLYESTER
HS 540233
SYNT FILMT YRN, HIGH TENACITY YARN OF ARAMIDS
HS 540211
SYNT YARN,HIGH TENACTY, NYLON/ OTHR POLYAMIDES,NES
HS 540219
| State | Imports | Exports | Balance |
|---|---|---|---|
| North Carolina | $561K | $1.7M | +$1.2M |
| South Carolina | -- | $2.1M | +$2.1M |
| Texas | -- | $1.7M | +$1.7M |
| Port | Imports | Exports | Balance |
|---|---|---|---|
| CHARLESTON, SC | $423K | $1.3M | +$926K |
| YSLETA, TX | -- | $1.7M | +$1.7M |
| WILMINGTON, NC | $91K | $1.1M | +$1.0M |