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HTS 6815Articles of stone or of other mineral substances (including carbon fibers, articles of carbon fibers and articles of peat), not elsewhere specified or included

Product or HTS code

Rate lines10

Code	Description	General	Special	Column 2	Units	Calculate
	Carbon fibers; articles of carbon fibers for non-electrical uses; other articles of graphite or other carbon for non-electrical uses
6815.11.00.00	6815.11.00.00Carbon fibersGeneral Free · Column 2 45% · kg	Free		45%	kg
6815.12.00.00	6815.12.00.00Fabrics of carbon fibersGeneral Free · Column 2 45% · kg	Free		45%	kg
6815.13.00.00	6815.13.00.00Other articles of carbon fibersGeneral Free · Column 2 45% · kg	Free		45%	kg
6815.19.00.00	6815.19.00.00OtherGeneral Free · Column 2 45% · kg	Free		45%	kg
6815.20.00.00	6815.20.00.00Articles of peatGeneral Free · Column 2 20% · kg	Free		20%	kg
	Other articles
6815.91.00	6815.91.00Containing magnesite, magnesia in the form of periclase, dolomite including in the form of dolime, or chromiteGeneral Free · Column 2 30%	Free		30%
6815.91.00.11	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 pitchGeneral Free · Column 2 30% · kg	Free		30%	kg
6815.91.00.71	6815.91.00.71OtherGeneral Free · Column 2 30% · kg	Free		30%	kg
6815.99	6815.99Other
6815.99.20.00	6815.99.20.00Talc, steatite and soapstone, cut or sawed, or in blanks, crayons, cubes, disks or other formsGeneral Free · Column 2 2.2¢/kg · kg	Free		2.2¢/kg	kg
6815.99.41	6815.99.41OtherGeneral Free · Column 2 30%	Free		30%
6815.99.41.10	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 pitchGeneral Free · Column 2 30% · kg	Free		30%	kg
6815.99.41.70	6815.99.41.70OtherGeneral Free · Column 2 30% · kg	Free		30%	kg
	I. GOODS OF SILICEOUS FOSSIL MEALS OR OF SIMILAR SILICEOUS EARTHS, AND REFRACTORY GOODS

2026 HTS Revision 21 (October 9, 2026)

Duty by country of origin

Rate line	Germany14.63% of imports	Japan14.59% of imports	Mexico13.79% of imports	France10.8% of imports	South Korea8.83% of imports	United Kingdom7.13% of imports	Canada6.29% of imports	China5.37% of imports	Austria2.68% of imports	Brazil2.42% of imports
6815.11.00.00Carbon fibers	10%9903.05.39	12.5%9903.05.49	10%9903.05.55	10%9903.05.39	12.5%9903.05.71	10%9903.05.81	10%9903.05.29	37.5%9903.05.319903.88.03	10%9903.05.39	37.5%9903.05.019903.05.27
6815.12.00.00Fabrics of carbon fibers	10%9903.05.39	12.5%9903.05.49	10%9903.05.55	10%9903.05.39	12.5%9903.05.71	10%9903.05.81	10%9903.05.29	37.5%9903.05.319903.88.03	10%9903.05.39	37.5%9903.05.019903.05.27
6815.13.00.00Other articles of carbon fibers	10%9903.05.39	12.5%9903.05.49	10%9903.05.55	10%9903.05.39	12.5%9903.05.71	10%9903.05.81	10%9903.05.29	37.5%9903.05.319903.88.03	10%9903.05.39	37.5%9903.05.019903.05.27
6815.19.00.00Other	10%9903.05.39	12.5%9903.05.49	10%9903.05.55	10%9903.05.39	12.5%9903.05.71	10%9903.05.81	10%9903.05.29	37.5%9903.05.319903.88.03	10%9903.05.39	37.5%9903.05.019903.05.27
6815.20.00.00Articles of peat	10%9903.05.39	12.5%9903.05.49	10%9903.05.55	10%9903.05.39	12.5%9903.05.71	10%9903.05.81	10%9903.05.29	37.5%9903.05.319903.88.03	10%9903.05.39	37.5%9903.05.019903.05.27
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 pitch	10%9903.05.39	12.5%9903.05.49	From 10%9903.05.55AD/CVD may apply	10%9903.05.39	12.5%9903.05.71	10%9903.05.81	10%9903.05.29	From 37.5%9903.05.319903.88.03AD/CVD may apply	10%9903.05.39	37.5%9903.05.019903.05.27
6815.91.00.71Other	10%9903.05.39	12.5%9903.05.49	From 10%9903.05.55AD/CVD may apply	10%9903.05.39	12.5%9903.05.71	10%9903.05.81	10%9903.05.29	From 37.5%9903.05.319903.88.03AD/CVD may apply	10%9903.05.39	37.5%9903.05.019903.05.27
6815.99.20.00Talc, steatite and soapstone, cut or sawed, or in blanks, crayons, cubes, disks or other forms	10%9903.05.39	12.5%9903.05.49	From 10%9903.05.55AD/CVD may apply	10%9903.05.39	12.5%9903.05.71	10%9903.05.81	10%9903.05.29	From 37.5%9903.05.319903.88.03AD/CVD may apply	10%9903.05.39	37.5%9903.05.019903.05.27
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 pitch	10%9903.05.39	12.5%9903.05.49	10%9903.05.55	10%9903.05.39	12.5%9903.05.71	10%9903.05.81	10%9903.05.29	37.5%9903.05.319903.88.03	10%9903.05.39	37.5%9903.05.019903.05.27
6815.99.41.70Other	10%9903.05.39	12.5%9903.05.49	10%9903.05.55	10%9903.05.39	12.5%9903.05.71	10%9903.05.81	10%9903.05.29	37.5%9903.05.319903.88.03	10%9903.05.39	37.5%9903.05.019903.05.27

Total duty on a $10,000 ocean shipment entered 2026-10-13, before customs fees. Origins are the leading sources of US imports under this heading in 2025 (US Census Bureau).