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HSChapter 40
U.S. imports of cellular vulcanized rubber plates, sheets & strip (HS 400811) totaled $5.4M in April 2026, traded with 40 countries.
Importers of Cellular Vulcanized Rubber Plates, Sheets & Strip paid $509K in duties in April 2026 — an effective duty rate of 13% on $3.8M in dutiable value, based on actual customs collections rather than the published tariff schedule.
Last updated: April 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.
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.
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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 % | Duty Collected |
|---|---|---|---|---|
| 4008111000 | PLATE, SHEET & STRIP CELLULAR RUB, OF NAT RUBBER | $2.9M | 11.89% | $236K |
| 4008115000 | PLATE, SHEET & STRIP CELL RUB, EXC NAT RUB, NESOI | $2.4M | 15.09% | $273K |
PLATE, SHEET & STRIP CELLULAR RUB, OF NAT RUBBER
PLATE, SHEET & STRIP CELL RUB, EXC NAT RUB, NESOI
HS10 export codes under this HS6 parent. Source: U.S. Schedule B export classification.
| Code | Description | Export Value |
|---|---|---|
| 4008110000 | PLATE, SHEET & STRIP VULCANIZED RUB, CELLULAR RUB | $8.9M |
PLATE, SHEET & STRIP VULCANIZED RUB, CELLULAR RUB
942.7K kg
NEW PNEUMATIC TIRES OF RUBBER, FOR MOTOR CARS
HS 401110
NEW PNEUMATIC TIRES OF RUBBER, FOR BUSES OR TRUCKS
HS 401120
GASKET, WASHERS & OTHER SEALS, OF VULCANIZED RUB
HS 401693
ARTICLES OF SOFT VULCANIZED RUBBER NESOI
HS 401699
MEDICAL/SURGICAL/DENTAL/VET GLOVES, MITTENS, MITTS
HS 401512
NEW PNEUMATIC TIRES OF RUBBER, NESOI
HS 401190
| State | Imports | Exports | Balance |
|---|---|---|---|
| North Carolina | $1.1M | $872K | -$262K |
| California | $1.1M | $356K | -$699K |
| New Jersey | $668K | $619K | -$49K |
| Port | Imports | Exports | Balance |
|---|---|---|---|
| LAREDO, TX | $1.1M | $2.2M | +$1.2M |
| BUFFALO-NIAGARA FALLS, NY | $124K | $1.1M | +$984K |
| LOW VALUE | -- | $1.1M | +$1.1M |