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HSChapter 40
U.S. imports of natural rubber in other primary forms (nesoi) (HS 400129) totaled $1.5M in July 2026, traded with 29 countries.
Importers of Natural Rubber in Other Primary Forms (NESOI) paid $78K in duties in July 2026 — an effective duty rate of 9.2% on $852K in dutiable value, based on actual customs collections rather than the published tariff schedule. Natural Rubber in Other Primary Forms (NESOI) imports of $1.5M in July 2026 ran 13% below the year-to-date monthly average of $1.7M.
Last updated: July 2026 dataEncompassing natural rubber forms that do not fit the smoked sheet or TSNR classifications — such as air-dried sheets, crepe rubber, and other specialty processed forms — this residual heading (4001290000) serves niche compounding and specialty product applications. Turkey, Sri Lanka, and Indonesia are among the leading US suppliers, a notably diverse origin mix that reflects the variety of processing traditions captured here. Importers should pay close attention to the processing method and physical form described in supplier documentation, as the boundary between this NESOI line and the TSNR or smoked sheet headings can be a classification gray area requiring careful review.
AI-written summary of the official U.S. Census Bureau trade figures on this page — verify before relying on it.
85 shipments/mo
Air-dried sheets (ADS), pale crepe, brown crepe, and technically unspecified block rubber that lacks a formal grade certificate are the forms most frequently classified here. Rubber that has been processed but does not meet the visual standards for RSS grades or the technical specifications for TSNR grades also falls into this residual category.
Yes. Lightly processed crepe can sometimes be argued to fall under Chapter 40's primary forms provisions or, if further worked, under downstream headings. The key classification question is whether the processing has advanced the material beyond a primary form. Consulting a licensed customs broker and providing detailed processing records from the supplier is advisable to defend the declared heading.
Subheading 4 of 5 in heading 4001
Subheading 400129 · $1.5M of $132.4M
Supplier Network
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ImportsExports
Imports
$1.5MYoY · Pro
Exports
$979KYoY · Pro
12-mo low · imports
YoY · ProThrough July 2026. Source: U.S. Census Bureau.
Imports · July 2026
origin
Turkey and Guatemala together supply 87% of it.
customs district
destination
entry
rate provision · imports
41.2% enters free of duty; the effective duty rate is 5.40%.
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 |
|---|---|---|---|---|---|
| 4001290000 | Natural Rubber in Other Forms, NESOI | $1.5M | 5.40% | 58.73% | $78K |
HS10 export codes under this HS6 parent, each with its own page. Source: U.S. Schedule B export classification.
| Code | Description | Export Value |
|---|---|---|
| 4001290000 | Natural Rubber in Other Forms, NESOI | $979K |
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.