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HSChapter 39
U.S. imports of nylon-type polyamides (pa-6, -11, -12, -6,6, -6,9, -6,10, -6,12), primary forms (HS 390810) totaled $39.5M in April 2026, traded with 33 countries.
Importers of Nylon-Type Polyamides (PA-6, -11, -12, -6,6, -6,9, -6,10, -6,12), Primary Forms paid $2.0M in duties in April 2026 — an effective duty rate of 7.8% on $26.1M in dutiable value, based on actual customs collections rather than the published tariff schedule. Nylon-Type Polyamides (PA-6, -11, -12, -6,6, -6,9, -6,10, -6,12), Primary Forms imports of $39.5M in April 2026 ran 14% above the year-to-date monthly average of $34.7M.
Last updated: April 2026 dataNylon-type polyamides — covering PA-6, PA-6,6, PA-11, PA-12, and related grades — are among the most widely traded engineering thermoplastics, serving automotive under-hood components, industrial tubing, textile fibers, and food-contact packaging. All US imports under this heading are classified under a single 10-digit line (3908100000), so grade and viscosity distinctions are documented commercially rather than through tariff splits. Canada is the top supplier, with Germany and Slovenia also significant sources, reflecting integrated North American supply chains and European specialty-grade production.
AI-written summary of the official U.S. Census Bureau trade figures on this page — verify before relying on it.
Because 3908100000 covers all enumerated nylon types without further tariff subdivision, grade identification is handled through commercial invoices, technical data sheets, and manufacturer certificates rather than separate HTS codes. Customs brokers may request this documentation to confirm the product falls within the heading's scope rather than under a specialty polyamide line in 3908.90.
Automotive (fuel lines, air intake manifolds, connectors), industrial (gears, bearings, cable sheathing), and textile fiber production are the primary demand drivers. PA-11 and PA-12 grades, often sourced from specialty European producers, are particularly valued for flexible tubing and offshore oil-and-gas applications due to their chemical resistance.
Supplier Network
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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 |
|---|---|---|---|---|
| 3908100000 | POLYAMIDE-6,-11,-12,-6,6,-6,9,-6,10 OR -6,12 | $39.5M | 7.78% | $2.0M |
POLYAMIDE-6,-11,-12,-6,6,-6,9,-6,10 OR -6,12
HS10 export codes under this HS6 parent. Source: U.S. Schedule B export classification.
| Code | Description | Export Value |
|---|---|---|
| 3908100000 | POLYAMIDE-6,-11,-12,-6,6,-6,9,-6,10 OR -6,12 | $116.2M |
POLYAMIDE-6,-11,-12,-6,6,-6,9,-6,10 OR -6,12
38.7M kg
ARTICLES OF PLASTICS, NESOI
HS 392690
FLOOR, WALL, ETC COVERS, VINYL CHLORIDE POLYMERS
HS 391810
TABLEWARE AND KITCHENWARE OF PLASTICS
HS 392410
SACKS & BAGS (INCL CONES) OF POLYMERS OF ETHYLENE
HS 392321
HOUSEHOLD AND TOILET ARTICLES NESOI OF PLASTICS
HS 392490
PLATES, SHEETS ETC, NON-CELL ETC, POLYMER
HS 392010
| Port | Imports | Exports | Balance |
|---|---|---|---|
| MOBILE, AL | -- | $29.8M | +$29.8M |
| LAREDO, TX | $1.2M | $28.2M | +$27.0M |
| NORFOLK-NEWPORT NEWS, VA | $3.8M | $12.5M | +$8.6M |