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HSChapter 39
U.S. imports of other ethylene polymers in primary forms (nesoi) (HS 390190) totaled $17.7M in April 2026, traded with 38 countries.
Importers of Other Ethylene Polymers in Primary Forms (NESOI) paid $2.5M in duties in April 2026 — an effective duty rate of 16% on $15.5M in dutiable value, based on actual customs collections rather than the published tariff schedule.
Last updated: April 2026 dataHeading 390190 is a residual catch-all for ethylene polymers not classified elsewhere in Chapter 39, covering elastomeric grades (3901901000), ethylene copolymers (3901905501), and other primary-form materials (3901909000). China is the leading US supplier under this heading, followed by France and Japan, making Section 301 tariff exposure a key cost consideration for Chinese-origin shipments. The elastomeric subheading captures specialty grades used in seals, gaskets, and vibration-damping components, while the copolymer line encompasses a broad range of functional resins. Precise classification within the three lines depends on whether the material is elastomeric and on its specific copolymer chemistry.
AI-written summary of the official U.S. Census Bureau trade figures on this page — verify before relying on it.
CBP generally applies the Chapter 39 note definition of elastomeric: the material must be capable of being stretched to at least twice its original length at room temperature and return substantially to its original dimensions upon release. Technical data sheets and stress-strain test results are the standard supporting documentation for this classification.
Chinese-origin goods classified under heading 390190 are subject to Section 301 tariffs, which add to the landed cost relative to equivalent material from France, Japan, or Canada. Importers have responded by qualifying alternative suppliers or seeking first-sale valuation strategies, but any origin-shifting must be supported by genuine manufacturing activity to avoid transshipment concerns.
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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 |
|---|---|---|---|---|
| 3901909000 | POLYMERS OF ETHYLENE IN PRIMARY FORM,NESOI | $8.3M | 16.40% | $1.1M |
| 3901901000 | POLYMERS OF ETHYLENE IN PRIMARY FORM,ELASTOMERIC | $7.1M | 15.48% | $1.1M |
| 3901905501 | ETHYLENE COPOLYMERS | $2.4M | 16.59% | $270K |
POLYMERS OF ETHYLENE IN PRIMARY FORM,NESOI
POLYMERS OF ETHYLENE IN PRIMARY FORM,ELASTOMERIC
ETHYLENE COPOLYMERS
HS10 export codes under this HS6 parent. Source: U.S. Schedule B export classification.
| Code | Description | Export Value |
|---|---|---|
| 3901905501 | ETHYLENE COPOLYMERS | $44.4M |
| 3901909000 | POLYMERS OF ETHYLENE IN PRIMARY FORM,NESOI | $20.0M |
| 3901901000 | POLYMERS OF ETHYLENE IN PRIMARY FORM,ELASTOMERIC | $16.6M |
ETHYLENE COPOLYMERS
12.6M kg
POLYMERS OF ETHYLENE IN PRIMARY FORM,NESOI
9.2M kg
POLYMERS OF ETHYLENE IN PRIMARY FORM,ELASTOMERIC
11.9M 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
| State | Imports | Exports | Balance |
|---|---|---|---|
| Texas | $2.2M | $52.1M | +$49.9M |
| West Virginia | -- | $5.8M | +$5.8M |
| North Carolina | $2.0M | $3.6M | +$1.6M |
| Port | Imports | Exports | Balance |
|---|---|---|---|
| HOUSTON, TX | $2.6M | $44.4M | +$41.8M |
| LAREDO, TX | -- | $8.5M | +$8.5M |
| NORFOLK-NEWPORT NEWS, VA | $1.7M | $5.7M | +$4.0M |