# United States tariff lines under HS 3506.91

> The United States tariff splits HS 3506.91 (other: Adhesives based on polymers of headings 39.01 to 39.13 or on rubber) into 2 national lines: 3506.91.10.00 (optically clear free-film adhesives and optically clear curable liquid adhesives of a kind used solely or principally for the manufacture of flat panel displays or touch-sensitive screen panels) and 3506.91.50.00 (other). The general (MFN) duty differs by line: free on 3506.91.10.00 and 2.1% on 3506.91.50.00.

Source: https://border.bot/countries/united-states/hs-codes/350691
Last updated: 9 October 2026

[Countries](https://border.bot/countries) / [United States](https://border.bot/countries/united-states) / [Chapter 35](https://border.bot/countries/united-states/hs-codes/35) / [3506.91](https://border.bot/countries/united-states/hs-codes/350691)

## Key facts

- HS subheading: [3506.91](https://border.bot/hs-codes/350691)
- National lines: 2
- Tariff: [United States](https://border.bot/countries/united-states)
- Chapter: 35: Albuminoidal substances; modified starches; glues; enzymes

## United States lines under 3506.91

The United States tariff splits HS 3506.91 (other: Adhesives based on polymers of headings 39.01 to 39.13 or on rubber) into 2 national lines: 3506.91.10.00 (optically clear free-film adhesives and optically clear curable liquid adhesives of a kind used solely or principally for the manufacture of flat panel displays or touch-sensitive screen panels) and 3506.91.50.00 (other).

The general (MFN) duty differs by line: free on 3506.91.10.00 and 2.1% on 3506.91.50.00.

- [3506.91.10.00](https://border.bot/countries/united-states/hs-codes/3506911000) Other, Adhesives based on polymers of headings 3901 to 3913 or on rubber, Optically clear free-film adhesives and optically clear curable liquid adhesives of a kind used solely or principally for the manufacture of flat panel displays or touch-sensitive screen panels. Duty (MFN): free
- [3506.91.50.00](https://border.bot/countries/united-states/hs-codes/3506915000) Other, Adhesives based on polymers of headings 3901 to 3913 or on rubber, Other. Duty (MFN): 2.1%

## In other countries

No other national tariff on border.bot has live lines under 3506.91 yet.

- [The Harmonized System text for 3506.91](https://border.bot/hs-codes/350691)

- Previous subheading: [3506.10](https://border.bot/countries/united-states/hs-codes/350610) Products suitable for use as glues or adhesives, put up for retail sale as glues or adhesives, not exceeding a net weight of 1 kg
- Next subheading: [3506.99](https://border.bot/countries/united-states/hs-codes/350699) Prepared glues and other prepared adhesives, not elsewhere specified or included; products suitable for use as glues or adhesives, put up for retail sale as glues or adhesives, not exceeding a net weight of 1 kg

## Frequently asked questions

### How many national tariff lines does the United States tariff have under HS 3506.91?

The United States tariff splits HS 3506.91 (other: Adhesives based on polymers of headings 39.01 to 39.13 or on rubber) into 2 national lines: 3506.91.10.00 (optically clear free-film adhesives and optically clear curable liquid adhesives of a kind used solely or principally for the manufacture of flat panel displays or touch-sensitive screen panels) and 3506.91.50.00 (other).

### What is the duty on HS 3506.91 in the United States?

The general (MFN) duty differs by line: free on 3506.91.10.00 and 2.1% on 3506.91.50.00.

## Sources and updates

The tariff lines for the United States come from border.bot release 1 (edition 2026HTSRev21), read from the publisher’s files, and have been live since 9 October 2026.

The duty rates for the United States come from border.bot release 1 (edition 2026HTSRev21), read from the publisher’s files, and have been live since 9 October 2026.

The trade programmes for the United States come from border.bot release 1 (edition 2026HTSRev21), read from the publisher’s files, and have been live since 9 October 2026.

This page was last updated on 9 October 2026.

Guidance from published tariff data, not a binding ruling. For a decision customs must follow, apply to the destination’s customs authority for a binding tariff ruling.

Official source files:

- https://hts.usitc.gov/reststop/exportList?from=0000000000&to=9999999999&format=CSV&styles=false

Machine-readable: https://border.bot/countries/united-states/hs-codes/350691.json