Chapter 38: Miscellaneous chemical products
HTS heading 3816: Refractory cements, mortars, concretes and similar compositions, including dolomite ramming mix, other than products of heading 3801
5 numbered lines under heading 3816, including 3 10-digit statistical lines. The first six digits are the international HS subheading; the general column is the normal US duty rate.
| HTS code | Description | Unit | General | Special | Column 2 |
|---|---|---|---|---|---|
| 3816 | Refractory cements, mortars, concretes and similar compositions, including dolomite ramming mix, other than products of heading 3801: | ||||
| 3816.00.10.00 | Dolomite ramming mix | t | Free | 30% | |
| 3816.00.20 | Other | 3% | Free (A, AU, BH, CL, CO,D,E, IL, JO, KR, MA, OM, P, PA, PE, S, SG) | 30% | |
| 3816.00.20.10 | Clay | kg | |||
| 3816.00.20.50 | Other | kg |
Statistical (10-digit) lines without a rate use the rate of the 8-digit line above them. Additional duties such as Section 301 and Section 232 may apply; check them with the tariff checker.
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Request a free auditSource: Harmonized Tariff Schedule of the United States, 2026 HTS Revision 20 (effective 2026-09-28), U.S. International Trade Commission (hts.usitc.gov), imported 2026-10-07. Reference only; not legal or customs advice or a binding classification. Additional duties under Chapter 99 may apply. ShipWave is not affiliated with the USITC or U.S. Customs and Border Protection.