# United States tariff line 6815.99.41.10: 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 6815.99.41.10 covers other articles, 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. Goods under this line enter free of general (MFN) duty. It falls under HS subheading 6815.99 in heading 68.15 (chapter 68).

Source: https://border.bot/countries/united-states/hs-codes/6815994110
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) / [6815.99](https://border.bot/countries/united-states/hs-codes/681599) / [6815.99.41.10](https://border.bot/countries/united-states/hs-codes/6815994110)

## Key facts

- Tariff line: 6815.99.41.10
- Covers: Other articles, 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): Free
- Additional duties: None recorded
- Restrictions: None recorded
- Tariff: [United States](https://border.bot/countries/united-states)
- HS subheading: [6815.99](https://border.bot/hs-codes/681599)

## What this line covers

In the United States tariff, line 6815.99.41.10 covers other articles, 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 “Other articles”, “Other” and “Other”.

## How it is structured

It falls under HS subheading 6815.99 in heading 68.15 (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 68.15: Articles of stone or of other mineral substances (including carbon fibers, articles of carbon fibers and articles of peat), not elsewhere specified or included
- Subheading 6815.99: Other articles
- Within the subheading: Other
- Within the subheading: Other
- Line 6815.99.41.10: 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

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

The rate is published on 6815.99.41.

## In other countries

No other national tariff on border.bot has live lines under 6815.99 yet.

- [The Harmonized System text for 6815.99](https://border.bot/hs-codes/681599)

## Other lines under 6815.99

- [6815.99.20.00](https://border.bot/countries/united-states/hs-codes/6815992000) Talc, steatite and soapstone, cut or sawed, or in blanks, crayons, cubes, disks or other forms
- [6815.99.41.70](https://border.bot/countries/united-states/hs-codes/6815994170) Other

- Previous line: [6815.99.20.00](https://border.bot/countries/united-states/hs-codes/6815992000) Talc, steatite and soapstone, cut or sawed, or in blanks, crayons, cubes, disks or other forms
- Next line: [6815.99.41.70](https://border.bot/countries/united-states/hs-codes/6815994170) Other

## Frequently asked questions

### What does tariff line 6815.99.41.10 cover in the United States tariff?

In the United States tariff, line 6815.99.41.10 covers other articles, 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 6815.99.41.10 in the United States?

Goods under this line enter free of general (MFN) duty. The rate is published on 6815.99.41.

## 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/6815994110.json