3506.91—Adhesives based on polymers of headings 3901 to 3913 or on rubberGeneral duty rate
Free – 2.1%
Across 2 10-digit lines; pick a line below for the exact rate
Coverage on this page
HTS 3506.91 is a 6-digit subheading of the U.S. Harmonized Tariff Schedule covering Adhesives based on polymers of headings 3901 to 3913 or on rubber. It sits in Chapter 35: Albuminoidal substances; modified starches; glues; enzymes, Section VI: Products of the Chemical or Allied Industries and rolls up 2 10-digit statistical lines, with general duty rates ranging from Free to 2.1%. 6 Chapter 99 flags link to one or more child lines (6 expired).
Pick a line to view its exact rate and estimate duties and customs fees
Provisions linked to one or more lines under 3506.91; applicability depends on origin, product facts, claims, and entry date
| Code | Authority | Rate |
|---|---|---|
| 9903.81.91 | section_232Expired | The duty provided in the applicable subheading + a duty of 50% upon the value of the steel content. |
| 9903.81.92 | section_232Expired | The duty provided in the applicable subheading. |
| 9903.81.98 | section_232Expired | The duty provided in the applicable subheading + 25% |
| 9903.80.03 | section_232Expired | The duty provided in the applicable subheading + 25% |
| 9903.81.84 | section_232Expired | The duty provided in the applicable subheading + 25% |
| 9903.81.86 | section_232Expired | The duty provided in the applicable subheading + 25% |
HTS 3506.91 is a 6-digit subheading of the U.S. Harmonized Tariff Schedule covering Adhesives based on polymers of headings 3901 to 3913 or on rubber. It belongs to Chapter 35 and rolls up 2 10-digit statistical lines that brokers actually file at entry.
General (Column 1) duty rates for the 10-digit lines under HTS 3506.91 range from Free to 2.1%. The exact rate depends on the specific 10-digit statistical line — pick a line below to see its full rate detail.
Tandom links section_232 provision 9903.81.91 to HTS 3506.91. Its published rate notation is The duty provided in the applicable subheading + a duty of 50% upon the value of the steel content., and its status on 2026-08-30 is expired. 5 additional Chapter 99 flags also link to this code. A flag is not a shipment-level determination; check origin, product facts, claims, and entry date.
U.S. Customs requires entries to be filed at the 10-digit statistical level — the broader subheading HTS 3506.91 is not directly fileable. Match your product description to the most specific 10-digit line in the list on this page; if multiple lines could apply, the General Rules of Interpretation (GRIs) and chapter notes determine which one governs.
Tandom's current catalog view links no potentially relevant AD/CVD (antidumping or countervailing duty) order flags to lines under HTS 3506.91. Check current Commerce scope materials and Federal Register notices before relying on an HTS-only screen.
Tandom guides relevant to this code
How to read, order, and report Chapter 99 HTS codes alongside the base classification on a US entry summary in 2026. The full stacking ladder for brokers and compliance teams.
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