U.S. imports of Unvulcanized Compounded Rubber in Plates, Sheets & Strip (NESOI) (HS 400591) totaled $8.2M in August 2026, imported from 36 countries.
Importers of Unvulcanized Compounded Rubber in Plates, Sheets & Strip (NESOI) paid $670K in duties in August 2026, an average duty rate of 8.22% — duty actually collected as a share of the imports that cleared customs, not the published tariff schedule.
Last updated: August 2026 dataFlat-form unvulcanized rubber compounds not compounded with carbon black or silica—and not in solution or dispersion—are captured under 4005910000 as plates, sheets, and strip. These semi-finished forms are used by downstream fabricators for gaskets, seals, and molded parts, where the sheet format allows precise die-cutting before vulcanization. Mexico and Canada together dominate US imports, consistent with integrated North American automotive and industrial supply chains; Germany and France supply specialty-grade material for higher-performance applications.
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292 import shipments a month
The critical distinction is vulcanization state: 400591 covers sheets that have not yet been cured (cross-linked), while heading 4008 covers sheets of vulcanized rubber. Importers should obtain a statement from the manufacturer confirming the material is unvulcanized, as the two headings carry different duty treatments.
Not automatically. The NESOI (not elsewhere specified or included) qualifier means this heading applies only after ruling out the more specific headings—carbon-black/silica compounds (400510), solutions and dispersions (400520), and camel-back strips (400610). Importers should work through the heading hierarchy before defaulting to 400591.
Subheading 2 of 4 in heading 4005
Subheading 400591 · $8.2M of $59.7M
Trade Directory
List your company under HS 400591 — Unvulcanized Compounded Rubber in Plates, Sheets & Strip (NESOI), so the companies trading it can find you. Be the first supplier listed.
HS10 import codes under this HS6 parent, each with its own page. Source: U.S. Harmonized Tariff Schedule.
| Code | Description | Imports for consumption | Average duty rate | Dutiable Share | Duty Collected |
|---|---|---|---|---|---|
| 4005910000 | Rubber, Unvulcanized, In Plates, Sheets, and Strip | $8.2M | 8.22% | 75.58% | $670K |
HS10 export codes under this HS6 parent, each with its own page. Source: U.S. Schedule B export classification.
| Code | Description | Export Value |
|---|---|---|
| 4005910000 | Rubber, Unvulcanized, In Plates, Sheets, and Strip | $9.7M |
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.
Imports · August 2026
origin
Mexico and Canada together supply 72% of it. France pays 10.0% duty; Canada 0.0%.
customs district
destination
entry
rate provision · imports
24.4% enters free of duty; duty collected equals 8.22% of imports for consumption.
ImportsExports
Imports
$8.2MYoY · free account
Exports
$9.7MYoY · free account
12-mo low · imports
Low · free accountOver the twelve months to August 2026, the U.S. imported $102.4M of Unvulcanized Compounded Rubber in Plates, Sheets & Strip (NESOI) and exported $107.0M.
Through August 2026. Source: U.S. Census Bureau.