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U.S. exports of epoxide resins, primary forms (HS 390730) totaled $68.0M in July 2026.
Importers of Epoxide Resins, Primary Forms paid $4.6M in duties in July 2026 — an effective duty rate of 13% on $34.2M in dutiable value, based on actual customs collections rather than the published tariff schedule. Epoxide Resins, Primary Forms imports of $42.9M in July 2026 ran 16% above the year-to-date monthly average of $37.1M.
Last updated: July 2026 dataEpoxide resins—widely known as epoxy resins—are thermosetting polymers that cure with hardeners to produce coatings, adhesives, laminates, and composite matrices used in aerospace, electronics, and construction. South Korea and Germany are the leading US import sources, with Japan and Canada also supplying significant volumes. All US imports enter under a single 10-digit line (3907300000), but the commercial product range is wide: liquid bisphenol-A epoxies, solid grades, and specialty novolac or cycloaliphatic types each serve distinct end-use specifications. Importers sourcing from certain origins should verify whether Section 301 or antidumping measures apply to their specific supply chain.
AI-written summary of the official U.S. Census Bureau trade figures on this page — verify before relying on it.
1.5K shipments/mo
No; heading 3907.30 covers epoxide resins in all primary forms, including liquid, semi-solid, and solid grades. The distinction between liquid and solid grades matters commercially for pricing and end-use qualification but does not create separate HTS lines at the 10-digit level under this heading.
Primary forms include granules, powders, flakes, liquids, and similar undivided forms as defined in Chapter 39 Note 6. A pre-formulated two-component system already mixed with a hardener may no longer qualify as a primary form and could be reclassified as a prepared adhesive or coating under a different chapter. Importers should confirm the product's state at time of importation with a licensed customs broker.
HSChapter 39
Subheading 4 of 11 in heading 3907
Subheading 390730 · $42.9M of $421.1M
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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 |
|---|---|---|---|---|---|
| 3907300000 | Epoxide Resins | $42.9M | 10.71% | 79.56% | $4.6M |
HS10 export codes under this HS6 parent, each with its own page. Source: U.S. Schedule B export classification.
| Code | Description | Export Value |
|---|---|---|
| 3907300000 | Epoxide Resins | $68.0M |
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.
ImportsExports
Imports
$42.9MYoY · Pro
Exports
$68.0MYoY · Pro
12-mo low · imports
YoY · ProThrough July 2026. Source: U.S. Census Bureau.
Exports · July 2026
destination
Mexico and Canada together take 55% of it.
customs district
origin
entry
rate provision · imports
20.3% enters free of duty; the effective duty rate is 10.71%.