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HTS 6904Ceramic building bricks, flooring blocks, support or filler tiles and the like

Product or HTS code

Rate lines5

Code	Description	General	Special	Column 2	Units	Calculate
6904.10.00	6904.10.00Building bricksGeneral Free · Column 2 Free	Free		Free
	Solid bricksGeneral Free · Column 2 Free	Free		Free
6904.10.00.10	6904.10.00.10Heat insulatingGeneral Free · Column 2 Free · thousands	Free		Free	thousands
6904.10.00.20	6904.10.00.20OtherGeneral Free · Column 2 Free · thousands	Free		Free	thousands
	Hollow bricksGeneral Free · Column 2 Free	Free		Free
6904.10.00.30	6904.10.00.30Heat insulatingGeneral Free · Column 2 Free · thousands	Free		Free	thousands
6904.10.00.40	6904.10.00.40OtherGeneral Free · Column 2 Free · thousands	Free		Free	thousands
6904.90.00.00	6904.90.00.00OtherGeneral Free · Column 2 30% · thousands	Free		30%	thousands

2026 HTS Revision 21 (October 9, 2026)

Duty by country of origin

Rate line	Mexico53.61% of imports	Germany11.08% of imports	Italy10.27% of imports	Denmark7.58% of imports	Spain4.83% of imports	Portugal3.81% of imports	United Kingdom3.2% of imports	China1.84% of imports	Canada1.01% of imports	Vietnam0.63% of imports
6904.10.00.10Heat insulating	10%9903.05.55	10%9903.05.39	10%9903.05.39	10%9903.05.39	10%9903.05.39	10%9903.05.39	10%9903.05.81	37.5%9903.05.319903.88.03	10%9903.05.29	12.5%9903.05.84
6904.10.00.20Other	10%9903.05.55	10%9903.05.39	10%9903.05.39	10%9903.05.39	10%9903.05.39	10%9903.05.39	10%9903.05.81	37.5%9903.05.319903.88.03	10%9903.05.29	12.5%9903.05.84
6904.10.00.30Heat insulating	10%9903.05.55	10%9903.05.39	10%9903.05.39	10%9903.05.39	10%9903.05.39	10%9903.05.39	10%9903.05.81	37.5%9903.05.319903.88.03	10%9903.05.29	12.5%9903.05.84
6904.10.00.40Other	10%9903.05.55	10%9903.05.39	10%9903.05.39	10%9903.05.39	10%9903.05.39	10%9903.05.39	10%9903.05.81	37.5%9903.05.319903.88.03	10%9903.05.29	12.5%9903.05.84
6904.90.00.00Other	10%9903.05.55	10%9903.05.39	10%9903.05.39	10%9903.05.39	10%9903.05.39	10%9903.05.39	10%9903.05.81	37.5%9903.05.319903.88.03	10%9903.05.29	12.5%9903.05.84

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).