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HSChapter 40
U.S. imports of synthetic rubber & factice derived from oils — other primary forms, plates, sheets & strip (nesoi) (HS 400299) totaled $10.6M in April 2026, traded with 26 countries.
Importers of Synthetic Rubber & Factice Derived from Oils — Other Primary Forms, Plates, Sheets & Strip (NESOI) paid $1.0M in duties in April 2026 — an effective duty rate of 10% on $9.8M in dutiable value, based on actual customs collections rather than the published tariff schedule. Synthetic Rubber & Factice Derived from Oils — Other Primary Forms, Plates, Sheets & Strip (NESOI) imports of $10.6M in April 2026 ran 10% above the year-to-date monthly average of $9.7M.
Last updated: April 2026 dataSolid synthetic rubbers and oil-derived factice not classified under more specific subheadings — including butyl rubber variants, polysulfide rubber, silicone-modified elastomers, and other specialty polymers — are captured in this residual category, which serves a wide range of industrial end uses from pharmaceutical closures to aerospace sealants. Japan leads US import supply, followed by Germany and South Korea. The applicable tariff line is 4002990000. Because this is a catch-all provision, correct classification requires ruling out all more specific synthetic rubber subheadings before entry.
AI-written summary of the official U.S. Census Bureau trade figures on this page — verify before relying on it.
Polymers that lack a dedicated subheading in the 4002 structure — such as certain grades of butyl rubber (IIR), polysulfide rubber, chlorosulfonated polyethylene, and acrylic rubber — are typical candidates for 4002990000. However, classification should always begin with a review of the specific subheadings; if a polymer fits a named type (e.g., chloroprene, NBR, EPDM, isoprene), it must be classified there rather than in the NESOI line.
Factice is produced by vulcanizing vegetable or animal oils with sulfur or sulfur chloride, yielding a rubber-like material used as a processing aid and extender. Unlike synthetic rubber, it is not a polymer of a diene or olefin monomer. When imported alone in primary forms or as plates, sheets, or strip, factice derived from oils is classified under 4002990000 alongside other NESOI synthetic rubbers. Its presence should be clearly identified on the commercial invoice to support accurate classification.
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Monthly import values over time
| Country | Imports | Exports | Balance |
|---|---|---|---|
| JAPAN | $4.2M | $6.0M | +$1.7M |
| BELGIUM | -- | $3.8M | +$3.8M |
| KOREA, SOUTH | $3.1M | $438K | -$2.6M |
| NETHERLANDS | $20K | $2.9M | +$2.9M |
| MEXICO | $728K | $2.0M | +$1.2M |
HS10 import codes under this HS6 parent. Source: U.S. Harmonized Tariff Schedule.
| Code | Description | Import Value | Effective Tariff % | Duty Collected |
|---|---|---|---|---|
| 4002990000 | SYNTHETIC RUB & FATICE DERIVED FROM OILS, NESOI | $10.6M | 10.44% | $1.0M |
SYNTHETIC RUB & FATICE DERIVED FROM OILS, NESOI
HS10 export codes under this HS6 parent. Source: U.S. Schedule B export classification.
| Code | Description | Export Value |
|---|---|---|
| 4002990000 | SYNTHETIC RUB & FATICE DERIVED FROM OILS, NESOI | $25.4M |
SYNTHETIC RUB & FATICE DERIVED FROM OILS, NESOI
4.4M 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
| Port | Imports | Exports | Balance |
|---|---|---|---|
| HOUSTON, TX | $744K | $6.4M | +$5.6M |
| NORFOLK-NEWPORT NEWS, VA | $1.5M | $3.2M | +$1.8M |
| ANCHORAGE, AK | -- | $4.4M | +$4.4M |