Key facts
- HS subheading
- 3816.00
- National lines
- 3
- Tariff
- United States
- Chapter
- 38: Miscellaneous chemical products
Summary
The United States tariff splits HS 3816.00 (refractory cements, mortars, concretes and similar compositions, including dolomite ramming mix, other than products of heading 38.01) into 3 national lines: 3816.00.10.00 (dolomite ramming mix), 3816.00.20.10 (clay) and 3816.00.20.50 (other). The general (MFN) duty differs by line: free on 3816.00.10.00, 3% on 3816.00.20.10 and 3% on 3816.00.20.50.
United States lines under 3816.00
The United States tariff splits HS 3816.00 (refractory cements, mortars, concretes and similar compositions, including dolomite ramming mix, other than products of heading 38.01) into 3 national lines: 3816.00.10.00 (dolomite ramming mix), 3816.00.20.10 (clay) and 3816.00.20.50 (other).
The general (MFN) duty differs by line: free on 3816.00.10.00, 3% on 3816.00.20.10 and 3% on 3816.00.20.50.
- 3816.00.10.00Dolomite ramming mixDuty: Free
- 3816.00.20.10ClayDuty: 3%
- 3816.00.20.50OtherDuty: 3%
In other countries
No other national tariff on border.bot has live lines under 3816.00 yet.
Frequently asked questions
How many national tariff lines does the United States tariff have under HS 3816.00?
The United States tariff splits HS 3816.00 (refractory cements, mortars, concretes and similar compositions, including dolomite ramming mix, other than products of heading 38.01) into 3 national lines: 3816.00.10.00 (dolomite ramming mix), 3816.00.20.10 (clay) and 3816.00.20.50 (other).
What is the duty on HS 3816.00 in the United States?
The general (MFN) duty differs by line: free on 3816.00.10.00, 3% on 3816.00.20.10 and 3% on 3816.00.20.50.
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: