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HSChapter 39
U.S. imports of other vinyl chloride copolymers in primary forms (nesoi) (HS 390440) totaled $5.4M in May 2026, traded with 13 countries.
Importers of Other Vinyl Chloride Copolymers in Primary Forms (NESOI) paid $244K in duties in May 2026 — an effective duty rate of 15% on $1.6M in dutiable value, based on actual customs collections rather than the published tariff schedule. Other Vinyl Chloride Copolymers in Primary Forms (NESOI) imports of $5.4M in May 2026 ran 11% above the year-to-date monthly average of $4.8M.
Last updated: May 2026 dataVinyl chloride copolymers not elsewhere specified — those incorporating monomers other than vinyl acetate — occupy this residual subheading, covering specialty grades such as vinyl chloride–maleic ester or vinyl chloride–vinylidene chloride copolymers used in barrier coatings and specialty adhesives. Classified under 3904400000, this is a lower-volume but technically diverse category. Canada and Germany are the leading suppliers, with Japan and South Korea also present, reflecting the niche nature of these specialty polymer grades and the limited number of global producers.
AI-written summary of the official U.S. Census Bureau trade figures on this page — verify before relying on it.
The distinction turns on the identity of the comonomer: if the second principal monomer is vinyl acetate, the product classifies under 3904.30; if it is any other monomer (e.g., maleic anhydride, vinylidene chloride, or an acrylate), the product falls under 3904.40. Supplier-provided monomer composition certificates are the essential classification support document.
Importers should conduct a current antidumping and countervailing duty order search via the USITC and CBP ADCVD portal for the specific 10-digit HTS line (3904400000) and country of origin before entry, as trade-remedy coverage can change. No blanket statement about current order status should be relied upon without verification at the time of importation.
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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 % | Dutiable Share | Duty Collected |
|---|---|---|---|---|---|
| 3904400000 | OTHER VINYL CHLORIDE COPOLYMERS | $4.8M | 3.12% | 20.04% | $148K |
OTHER VINYL CHLORIDE COPOLYMERS
HS10 export codes under this HS6 parent. Source: U.S. Schedule B export classification.
| Code | Description | Export Value |
|---|---|---|
| 3904400000 | OTHER VINYL CHLORIDE COPOLYMERS | $8.0M |
OTHER VINYL CHLORIDE COPOLYMERS
2.8M 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 |
|---|---|---|---|
| Ohio | $244K | $2.4M | +$2.1M |
| Texas | $42K | $2.2M | +$2.2M |
| Mississippi | -- | $2.2M | +$2.2M |
| Port | Imports | Exports | Balance |
|---|---|---|---|
| PORT HURON, MI | $403K | $3.8M | +$3.4M |
| BUFFALO-NIAGARA FALLS, NY | $1.8M | $1.8M | -$66K |
| BLAINE, WA | $1.2M | $49K | -$1.1M |