# United States tariff line 6810.11.00.10: Containing by weight more than 70 percent magnesia, expressed as MgO, with carbon content ranging from trace amounts to less than 30 percent, and chemically bonded by resin or pitch

> In the United States tariff, line 6810.11.00.10 covers tiles, flagstones, bricks and similar articles, building blocks and bricks, containing by weight more than 70 percent magnesia, expressed as MgO, with carbon content ranging from trace amounts to less than 30 percent, and chemically bonded by resin or pitch. The general (MFN) duty rate is 3.2%. It falls under HS subheading 6810.11 in heading 68.10 (chapter 68).

Source: https://border.bot/countries/united-states/hs-codes/6810110010
Last updated: 9 October 2026

[Countries](https://border.bot/countries) / [United States](https://border.bot/countries/united-states) / [Chapter 68](https://border.bot/countries/united-states/hs-codes/68) / [6810.11](https://border.bot/countries/united-states/hs-codes/681011) / [6810.11.00.10](https://border.bot/countries/united-states/hs-codes/6810110010)

## Key facts

- Tariff line: 6810.11.00.10
- Covers: Tiles, flagstones, bricks and similar articles, building blocks and bricks, containing by weight more than 70 percent magnesia, expressed as MgO, with carbon content ranging from trace amounts to less than 30 percent, and chemically bonded by resin or pitch
- Duty (MFN): 3.2%
- Preferential rates: From free (17 programmes or origins)
- Additional duties: None recorded
- Restrictions: None recorded
- Tariff: [United States](https://border.bot/countries/united-states)
- HS subheading: [6810.11](https://border.bot/hs-codes/681011)

## What this line covers

In the United States tariff, line 6810.11.00.10 covers tiles, flagstones, bricks and similar articles, building blocks and bricks, containing by weight more than 70 percent magnesia, expressed as MgO, with carbon content ranging from trace amounts to less than 30 percent, and chemically bonded by resin or pitch.

Its legal text is “Containing by weight more than 70 percent magnesia, expressed as MgO, with carbon content ranging from trace amounts to less than 30 percent, and chemically bonded by resin or pitch”, read under “Tiles, flagstones, bricks and similar articles” and “Building blocks and bricks”.

## How it is structured

It falls under HS subheading 6810.11 in heading 68.10 (chapter 68). The first six digits are the Harmonized System code; the 4 digits after them are added by the United States tariff.

- Chapter 68: Articles of stone, plaster, cement, asbestos, mica or similar materials
- Heading 68.10: Articles of cement, of concrete or of artificial stone, whether or not reinforced
- Subheading 6810.11: Tiles, flagstones, bricks and similar articles
- Within the subheading: Building blocks and bricks
- Line 6810.11.00.10: Containing by weight more than 70 percent magnesia, expressed as MgO, with carbon content ranging from trace amounts to less than 30 percent, and chemically bonded by resin or pitch

## Duty

The general (MFN) duty rate is 3.2%.

The rate is published on 6810.11.00.

Duty-free entry applies to goods that qualify under 16 programmes, and to goods from a group of origins (origin group A).

- Free: a group of origins (origin group A) (A)
- Free: United States-Australia Free Trade Agreement (AU)
- Free: United States-Bahrain Free Trade Agreement Implementation Act (BH)
- Free: United States-Chile Free Trade Agreement (CL)
- Free: United States-Colombia Trade Promotion Agreement Implementation Act (CO)
- Free: African Growth and Opportunity Act (D)
- Free: Caribbean Basin Economic Recovery Act (E)
- Free: United States-Israel Free Trade Area (IL)
- Free: United States-Jordan Free Trade Area Implementation Act (JO)
- Free: United States-Korea Free Trade Agreement Implementation Act (KR)
- Free: United States-Morocco Free Trade Agreement Implementation Act (MA)
- Free: United States-Oman Free Trade Agreement Implementation Act (OM)
- Free: Dominican Republic-Central America-United States Free Trade Agreement (P)
- Free: United States-Panama Trade Promotion Agreement Implementation Act (PA)
- Free: United States-Peru Trade Promotion Agreement Implementation Act (PE)
- Free: United States-Mexico-Canada Agreement (S)
- Free: United States-Singapore Free Trade Agreement (SG)

## In other countries

No other national tariff on border.bot has live lines under 6810.11 yet.

- [The Harmonized System text for 6810.11](https://border.bot/hs-codes/681011)

## Other lines under 6810.11

- [6810.11.00.70](https://border.bot/countries/united-states/hs-codes/6810110070) Other

- Previous line: [6809.90.00.00](https://border.bot/countries/united-states/hs-codes/6809900000) Other articles
- Next line: [6810.11.00.70](https://border.bot/countries/united-states/hs-codes/6810110070) Other

## Frequently asked questions

### What does tariff line 6810.11.00.10 cover in the United States tariff?

In the United States tariff, line 6810.11.00.10 covers tiles, flagstones, bricks and similar articles, building blocks and bricks, containing by weight more than 70 percent magnesia, expressed as MgO, with carbon content ranging from trace amounts to less than 30 percent, and chemically bonded by resin or pitch.

### What is the general (MFN) duty on 6810.11.00.10 in the United States?

The general (MFN) duty rate is 3.2%. The rate is published on 6810.11.00.

### Which preferential rates apply to 6810.11.00.10?

Duty-free entry applies to goods that qualify under 16 programmes: the United States-Australia Free Trade Agreement, the United States-Bahrain Free Trade Agreement Implementation Act, the United States-Chile Free Trade Agreement, the United States-Colombia Trade Promotion Agreement Implementation Act, African Growth and Opportunity Act, Caribbean Basin Economic Recovery Act, the United States-Israel Free Trade Area, the United States-Jordan Free Trade Area Implementation Act, the United States-Korea Free Trade Agreement Implementation Act, the United States-Morocco Free Trade Agreement Implementation Act, the United States-Oman Free Trade Agreement Implementation Act, the Dominican Republic-Central America-United States Free Trade Agreement, the United States-Panama Trade Promotion Agreement Implementation Act, the United States-Peru Trade Promotion Agreement Implementation Act, the United States-Mexico-Canada Agreement and the United States-Singapore Free Trade Agreement, and to goods from a group of origins (origin group A).

## 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/6810110010.json