Chapter 68: Articles of stone, plaster, cement, asbestos, mica or similar materials

HTS heading 6815: Articles of stone or of other mineral substances (including carbon fibers, articles of carbon fibers and articles of peat), not elsewhere s…

14 numbered lines under heading 6815, including 10 10-digit statistical lines. The first six digits are the international HS subheading; the general column is the normal US duty rate.

HTS heading 6815
HTS codeDescriptionUnitGeneralSpecialColumn 2
6815Articles of stone or of other mineral substances (including carbon fibers, articles of carbon fibers and articles of peat), not elsewhere specified or included:
Carbon fibers; articles of carbon fibers for non-electrical uses; other articles of graphite or other carbon for non-electrical uses:
6815.11.00.00Carbon fiberskgFree45%
6815.12.00.00Fabrics of carbon fiberskgFree45%
6815.13.00.00Other articles of carbon fiberskgFree45%
6815.19.00.00OtherkgFree45%
6815.20.00.00Articles of peatkgFree20%
Other articles:
6815.91.00Containing magnesite, magnesia in the form of periclase, dolomite including in the form of dolime, or chromiteFree30%
6815.91.00.11Containing 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 pitchkg
6815.91.00.71Otherkg
6815.99Other:
6815.99.20.00Talc, steatite and soapstone, cut or sawed, or in blanks, crayons, cubes, disks or other formskgFree2.2¢/kg
6815.99.41OtherNote: See 9903.90.08.Free30%
6815.99.41.10Containing 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 pitchkg
6815.99.41.70Otherkg
I. GOODS OF SILICEOUS FOSSIL MEALS OR OF SIMILAR SILICEOUS EARTHS, AND REFRACTORY GOODS

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.

Source: 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.