U.S. exports of Synthetic Rubber & Factice Derived from Oils — Other Primary Forms, Plates, Sheets & Strip (NESOI) (HS 400299) totaled $26.1M in August 2026.
Importers of Synthetic Rubber & Factice Derived from Oils — Other Primary Forms, Plates, Sheets & Strip (NESOI) paid $1.2M in duties in August 2026, an average duty rate of 10.10% — duty actually collected as a share of the imports that cleared customs, not the published tariff schedule.
Last updated: August 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.
208 import shipments a month
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.
Subheading 4 of 14 in heading 4002
Subheading 400299 · $26.1M of $240.3M
ImportsExports
Imports
$11.6MYoY · free account
Exports
$26.1MYoY · free account
12-mo low · imports
Low · free accountOver the twelve months to August 2026, the U.S. imported $121.4M of Synthetic Rubber & Factice Derived from Oils — Other Primary Forms, Plates, Sheets & Strip (NESOI) and exported $298.3M.
Through August 2026. Source: U.S. Census Bureau.
Trade Directory
List your company under HS 400299 — Synthetic Rubber & Factice Derived from Oils — Other Primary Forms, 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 |
|---|---|---|---|---|---|
| 4002990000 | Synthetic Rub & Fatice Derived From Oils, NESOI | $11.7M | 10.10% | 83.81% | $1.2M |
HS10 export codes under this HS6 parent, each with its own page. Source: U.S. Schedule B export classification.
| Code | Description | Export Value |
|---|---|---|
| 4002990000 | Synthetic Rub & Fatice Derived From Oils, NESOI | $26.1M |
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.
Exports · August 2026
destination
Japan and Belgium together take 47% of it.
customs district
origin
entry
rate provision · imports
16.2% enters free of duty; duty collected equals 10.10% of imports for consumption.