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HSChapter 40
U.S. imports of cellular vulcanized rubber plates, sheets & strip (HS 400811) totaled $6.7M in July 2026, traded with 47 countries.
Importers of Cellular Vulcanized Rubber Plates, Sheets & Strip paid $594K in duties in July 2026 — an effective duty rate of 14% on $4.2M in dutiable value, based on actual customs collections rather than the published tariff schedule.
Last updated: July 2026 dataSponge and foam rubber in flat form—plates, sheets, and strip of cellular vulcanized rubber, excluding hard rubber—enters under heading 400811, with the US schedule distinguishing natural rubber (4008111000) from other types (4008115000) alongside a combined legacy line (4008110000). Cellular rubber sheet is widely used in automotive sealing, HVAC insulation, and sports-equipment padding, where cell structure and compression-set resistance are the primary performance criteria. Mexico leads US imports, with Sri Lanka a notable supplier of natural-rubber foam sheet, reflecting that country's established latex processing industry.
AI-written summary of the official U.S. Census Bureau trade figures on this page — verify before relying on it.
1.1K shipments/mo
Cellular rubber under heading 4008 refers to rubber with a foam or sponge structure, regardless of whether the cells are open or closed. Both open-cell (sponge) and closed-cell (foam) structures classify here, provided the rubber is vulcanized and not hard rubber. The cell type affects end-use performance but does not change the HTS classification.
The subdivision into 4008111000 (natural rubber) and 4008115000 (other) reflects different duty rates and potentially different trade-remedy exposures for the two polymer types. Importers must confirm the polymer base with the manufacturer and declare it correctly, as misclassification between the two lines can result in underpayment or overpayment of duties.
Subheading 2 of 4 in heading 4008
Subheading 400811 · $6.7M of $37.4M
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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 |
|---|---|---|---|---|---|
| 4008111000 | Plate, Sheet & Strip Cellular Rub, Of Nat Rubber | $3.9M | 7.10% | 56.83% | $277K |
| 4008115000 | Plate, Sheet & Strip Cell Rub, Exc Nat Rub, NESOI | $2.8M | 11.36% | 69.54% | $317K |
HS10 export codes under this HS6 parent, each with its own page. Source: U.S. Schedule B export classification.
| Code | Description | Export Value |
|---|---|---|
| 4008110000 | Plate, Sheet & Strip Vulcanized Rub, Cellular Rub | $7.7M |
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.
ImportsExports
Imports
$6.7MYoY · Pro
Exports
$7.7MYoY · Pro
12-mo low · imports
YoY · ProThrough July 2026. Source: U.S. Census Bureau.
Imports · July 2026
origin
customs district
destination
entry
rate provision · imports
37.8% enters free of duty; the effective duty rate is 8.87%.