United States tariff line 6815.91.00.11: 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
Last updated
Key facts
- Tariff line
- 6815.91.00.11
- Covers
- Other articles, containing magnesite, magnesia in the form of periclase, dolomite including in the form of dolime, or chromite, 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
- HS subheading
- 6815.91
Summary
In the United States tariff, line 6815.91.00.11 covers other articles, containing magnesite, magnesia in the form of periclase, dolomite including in the form of dolime, or chromite, 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 6815.91 in heading 68.15 (chapter 68).
What this line covers
In the United States tariff, line 6815.91.00.11 covers other articles, containing magnesite, magnesia in the form of periclase, dolomite including in the form of dolime, or chromite, 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” and “Containing magnesite, magnesia in the form of periclase, dolomite including in the form of dolime, or chromite”.
How it is structured
It falls under HS subheading 6815.91 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 6815.91
- Other articles
- Within the subheading
- Containing magnesite, magnesia in the form of periclase, dolomite including in the form of dolime, or chromite
- Line 6815.91.00.11
- 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 6815.91.00.
Other lines under 6815.91
- 6815.91.00.71Other
In other countries
No other national tariff on border.bot has live lines under 6815.91 yet.
Frequently asked questions
What does tariff line 6815.91.00.11 cover in the United States tariff?
In the United States tariff, line 6815.91.00.11 covers other articles, containing magnesite, magnesia in the form of periclase, dolomite including in the form of dolime, or chromite, 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 6815.91.00.11 in the United States?
Goods under this line enter free of general (MFN) duty. The rate is published on 6815.91.00.
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: