# United States tariff line 4411.12.10.00: Not mechanically worked or surface covered

> In the United States tariff, line 4411.12.10.00 covers medium density fiberboard (MDF), of a thickness not exceeding 5 mm, not mechanically worked or surface covered. Goods under this line enter free of general (MFN) duty. It falls under HS subheading 4411.12 in heading 44.11 (chapter 44).

Source: https://border.bot/countries/united-states/hs-codes/4411121000
Last updated: 9 October 2026

[Countries](https://border.bot/countries) / [United States](https://border.bot/countries/united-states) / [Chapter 44](https://border.bot/countries/united-states/hs-codes/44) / [4411.12](https://border.bot/countries/united-states/hs-codes/441112) / [4411.12.10.00](https://border.bot/countries/united-states/hs-codes/4411121000)

## Key facts

- Tariff line: 4411.12.10.00
- Covers: Medium density fiberboard (MDF), of a thickness not exceeding 5 mm, not mechanically worked or surface covered
- Duty (MFN): Free
- Additional duties: None recorded
- Restrictions: None recorded
- Tariff: [United States](https://border.bot/countries/united-states)
- HS subheading: [4411.12](https://border.bot/hs-codes/441112)

## What this line covers

In the United States tariff, line 4411.12.10.00 covers medium density fiberboard (MDF), of a thickness not exceeding 5 mm, not mechanically worked or surface covered.

Its legal text is “Not mechanically worked or surface covered”, read under “Medium density fiberboard (MDF)” and “Of a thickness not exceeding 5 mm”.

## How it is structured

It falls under HS subheading 4411.12 in heading 44.11 (chapter 44). The first six digits are the Harmonized System code; the 4 digits after them are added by the United States tariff.

- Chapter 44: Wood and articles of wood; wood charcoal
- Heading 44.11: Fiberboard of wood or other ligneous materials, whether or not bonded with resins or other organic substances
- Subheading 4411.12: Medium density fiberboard (MDF)
- Within the subheading: Of a thickness not exceeding 5 mm
- Line 4411.12.10.00: Not mechanically worked or surface covered

## Duty

Goods under this line enter free of general (MFN) duty.

## In other countries

No other national tariff on border.bot has live lines under 4411.12 yet.

- [The Harmonized System text for 4411.12](https://border.bot/hs-codes/441112)

## Other lines under 4411.12

- [4411.12.20.00](https://border.bot/countries/united-states/hs-codes/4411122000) Laminated boards bonded in whole or in part, or impregnated, with synthetic resins
- [4411.12.30.00](https://border.bot/countries/united-states/hs-codes/4411123000) Other
- [4411.12.60.00](https://border.bot/countries/united-states/hs-codes/4411126000) Not surface covered (except for oil treatment)
- [4411.12.90.10](https://border.bot/countries/united-states/hs-codes/4411129010) Standard wood molding
- [4411.12.90.90](https://border.bot/countries/united-states/hs-codes/4411129090) Other

- Previous line: [4410.90.00.00](https://border.bot/countries/united-states/hs-codes/4410900000) Other
- Next line: [4411.12.20.00](https://border.bot/countries/united-states/hs-codes/4411122000) Laminated boards bonded in whole or in part, or impregnated, with synthetic resins

## Frequently asked questions

### What does tariff line 4411.12.10.00 cover in the United States tariff?

In the United States tariff, line 4411.12.10.00 covers medium density fiberboard (MDF), of a thickness not exceeding 5 mm, not mechanically worked or surface covered.

### What is the general (MFN) duty on 4411.12.10.00 in the United States?

Goods under this line enter free of general (MFN) duty.

## 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/4411121000.json