Key facts
- HS subheading
- 3811.21
- Duty (MFN)
- 6.5%
- National lines
- 1
- Tariff
- United States
- Chapter
- 38: Miscellaneous chemical products
Summary
The United States tariff splits HS 3811.21 (additives for lubricating oils: Containing petroleum oils or oils obtained from bituminous minerals) into 1 national line: 3811.21.00.00 (containing petroleum oils or oils obtained from bituminous minerals). The general (MFN) duty is 6.5% on this line.
United States lines under 3811.21
The United States tariff splits HS 3811.21 (additives for lubricating oils: Containing petroleum oils or oils obtained from bituminous minerals) into 1 national line: 3811.21.00.00 (containing petroleum oils or oils obtained from bituminous minerals).
The general (MFN) duty is 6.5% on this line.
- 3811.21.00.00Containing petroleum oils or oils obtained from bituminous mineralsDuty: 6.5%
In other countries
No other national tariff on border.bot has live lines under 3811.21 yet.
Frequently asked questions
How many national tariff lines does the United States tariff have under HS 3811.21?
The United States tariff splits HS 3811.21 (additives for lubricating oils: Containing petroleum oils or oils obtained from bituminous minerals) into 1 national line: 3811.21.00.00 (containing petroleum oils or oils obtained from bituminous minerals).
What is the duty on HS 3811.21 in the United States?
The general (MFN) duty is 6.5% on this line.
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: