Loading...
HSChapter 39
U.S. exports of copolymers of vinyl esters, in primary forms (HS 390591) totaled $23.8M in July 2026.
Importers of Copolymers of Vinyl Esters, in Primary Forms paid $730K in duties in July 2026 — an effective duty rate of 9.2% on $7.9M in dutiable value, based on actual customs collections rather than the published tariff schedule.
Last updated: July 2026 dataCopolymers of vinyl esters other than vinyl acetate — or mixed vinyl ester copolymers — in primary forms are subdivided under US tariff lines 3905911000 (containing 50% or more by weight of derivatives of vinyl acetate) and 3905915000 (all others), a split that requires careful compositional analysis at entry. These specialty polymers serve as binders, film formers, and adhesion promoters in coatings, inks, and adhesive systems. Taiwan and Japan lead US import supply, with Germany and the Netherlands also significant sources, reflecting the specialty chemical manufacturing strengths of those markets.
AI-written summary of the official U.S. Census Bureau trade figures on this page — verify before relying on it.
102 shipments/mo
Line 3905911000 applies when the copolymer contains 50% or more by weight of units derived from vinyl acetate. Line 3905915000 covers all other vinyl ester copolymers in primary forms not meeting that threshold. The manufacturer's certificate of analysis stating monomer composition by weight percentage is the essential supporting document.
Yes — copolymers based on vinyl esters other than vinyl acetate (such as vinyl versatate or vinyl propionate) that do not fit a more specific heading in Chapter 39 can classify under 390591. The key is confirming that the polymer is based on a vinyl ester monomer and is in primary form. Where the classification is uncertain, a CBP binding ruling provides the most reliable guidance.
Subheading 2 of 7 in heading 3905
Subheading 390591 · $8.4M of $34.4M
HS10 import codes under this HS6 parent, each with its own page. Source: U.S. Harmonized Tariff Schedule.
| Code | Description | Import Value | Effective Tariff % | Dutiable Share | Duty Collected |
|---|---|---|---|---|---|
| 3905911000 | Vinyl Copolymrs: Cont by Wt 50%+ Deriv of Vnyl Ace | $7.4M | 7.90% | 94.22% | $585K |
| 3905915000 | Vinyl Copolymers in Primary Forms, NESOI | $985K | 14.80% | 95.64% | $146K |
HS10 export codes under this HS6 parent, each with its own page. Source: U.S. Schedule B export classification.
| Code | Description | Export Value |
|---|---|---|
| 3905911000 | Vinyl Copolymrs: Cont by Wt 50%+ Deriv of Vnyl Ace | $16.9M |
| 3905915000 | Vinyl Copolymers in Primary Forms, NESOI | $6.8M |
Import lines come from the U.S. Harmonized Tariff Schedule and export lines from Schedule B. The two are numbered by different agencies, so the same 10-digit code can appear in both tables describing a different product.
Supplier Network
Get discovered by U.S. importers searching for HS 390591 — Copolymers of Vinyl Esters, in Primary Forms. Be the first supplier listed.
ImportsExports
Imports
$8.4MYoY · Pro
Exports
$23.8MYoY · Pro
12-mo low · imports
YoY · ProThrough July 2026. Source: U.S. Census Bureau.
Exports · July 2026
destination
Singapore and Canada together take 45% of it.
customs district
origin
entry
rate provision · imports
3.5% enters free of duty; the effective duty rate is 8.71%.