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HSChapter 40
U.S. exports of camel-back strips for retreading rubber tires (HS 400610) totaled $259K in July 2026.
Camel-Back Strips for Retreading Rubber Tires imports of $16K in July 2026 ran 20% below the year-to-date monthly average of $20K.
Last updated: July 2026 dataCamel-back strips—pre-formed unvulcanized rubber extrusions applied to worn tire casings during the retreading process—are a specialized product with a narrow end-use that drives their classification under 4006100000. Mexico is the leading US supplier, followed by Brazil and China; the presence of Chinese-origin goods in this category means importers should verify whether Section 301 tariffs apply to their specific shipments. The retreading industry's economics are closely tied to commercial trucking and aviation fleets, where casing reuse significantly reduces per-mile tire costs.
AI-written summary of the official U.S. Census Bureau trade figures on this page — verify before relying on it.
12 shipments/mo
Goods classified under 4006100000 and originating in China may be subject to Section 301 tariffs. Importers should check the current USTR Section 301 product lists and any applicable exclusions before entry, as coverage and exclusion status can change.
A camel-back strip is specifically designed and profiled for application to tire casings in the retreading process, which is the basis for its dedicated heading 400610. General-purpose unvulcanized rubber rods, tubes, or profile shapes intended for other uses would classify under heading 400690 instead.
Subheading 2 of 2 in heading 4006
Subheading 400610 · $16K of $1.4M
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ImportsExports
Imports
$16KYoY · Pro
Exports
$259KYoY · Pro
12-mo low · imports
YoY · ProFewer than 6 of the last 12 months reported trade above $500K; the trend chart is not shown for thin series.
Through July 2026. Source: U.S. Census Bureau.
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 |
|---|---|---|---|---|---|
| 4006100000 | Camel-Back Strips for Retreading Rubber Tires | $16K | 1.94% | 13.31% | $311 |
HS10 export codes under this HS6 parent, each with its own page. Source: U.S. Schedule B export classification.
| Code | Description | Export Value |
|---|---|---|
| 4006100000 | Camel-Back Strips for Retreading Rubber Tires | $259K |
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 · July 2026
destination
Singapore and Taiwan together take 71% of it.
customs district
origin
entry
rate provision · imports
86.7% enters free of duty; the effective duty rate is 1.94%.