USMCA.COM
Chapter 68 HTS Revision 18 (2026)

Tariff Schedule

Chapter 68: Articles of stone, plaster, cement, asbestos, mica

28 provisions in this chapter where a USMCA claim changes the duty.

HTSDescription GeneralUSMCASection 338
6801.00.00.00 Setts, curbstones and flagstones, of natural stone (except slate) 2.8% Free
6802.10.00.00 Worked monumental or building stone (except slate) and articles thereof, other than goods of heading 6801; mosaic cubes and the… 4.8% Free
6802.21.10.00 Worked monumental or building stone (except slate) and articles thereof, other than goods of heading 6801; mosaic cubes and the… 4.2% Free
6802.21.50.00 Worked monumental or building stone (except slate) and articles thereof, other than goods of heading 6801; mosaic cubes and the… 1.9% Free
6802.23.00.00 Worked monumental or building stone (except slate) and articles thereof, other than goods of heading 6801; mosaic cubes and the… 3.7% Free
6802.29.10.00 Worked monumental or building stone (except slate) and articles thereof, other than goods of heading 6801; mosaic cubes and the… 4.9% Free
6802.29.90.00 Worked monumental or building stone (except slate) and articles thereof, other than goods of heading 6801; mosaic cubes and the… 6% Free
6802.91.05.00 Worked monumental or building stone (except slate) and articles thereof, other than goods of heading 6801; mosaic cubes and the… 2.5% Free
6802.91.15.00 Worked monumental or building stone (except slate) and articles thereof, other than goods of heading 6801; mosaic cubes and the… 4.9% Free
6802.91.20.00 Worked monumental or building stone (except slate) and articles thereof, other than goods of heading 6801; mosaic cubes and the… 4.2% Free
6802.91.25.00 Worked monumental or building stone (except slate) and articles thereof, other than goods of heading 6801; mosaic cubes and the… 3.7% Free
6802.91.30.00 Worked monumental or building stone (except slate) and articles thereof, other than goods of heading 6801; mosaic cubes and the… 4.7% Free
6802.92.00.00 Worked monumental or building stone (except slate) and articles thereof, other than goods of heading 6801; mosaic cubes and the… 4.9% Free
6802.93.00 Worked monumental or building stone (except slate) and articles thereof, other than goods of heading 6801; mosaic cubes and the… 3.7% Free
6802.99.00 Worked monumental or building stone (except slate) and articles thereof, other than goods of heading 6801; mosaic cubes and the… 6.5% Free
6803.00.10.00 Worked slate and articles of slate or of agglomerated slate: Roofing slate 3.3% Free
6804.22.10.00 Millstones, grindstones, grinding wheels and the like, without frameworks, for grinding, sharpening, polishing, trueing or… 5¢/kg + 2% Free
6806.10.00 Slag wool, rock wool and similar mineral wools; exfoliated vermiculite, expanded clays, foamed slag and similar expanded mineral… 3.9% Free
6807.90.00 Articles of asphalt or of similar material (for example, petroleum bitumen or coal tar pitch): Other 2.7% Free
6809.19.00.00 Articles of plaster or of compositions based on plaster: Other 3% Free
6810.11.00 Articles of cement, of concrete or of artificial stone, whether or not reinforced: Building blocks and bricks 3.2% Free
6810.19.12.00 Articles of cement, of concrete or of artificial stone, whether or not reinforced: Of stone agglomerated with binders other than… 4.9% Free
6810.19.14.00 Articles of cement, of concrete or of artificial stone, whether or not reinforced: Other 9% Free
6810.19.50.00 Articles of cement, of concrete or of artificial stone, whether or not reinforced: Other 3.9% Free
6812.80.10.00 Fabricated asbestos fibers; mixtures with a basis of asbestos or with a basis of asbestos and magnesium carbonate; articles of… 8.3% Free
6812.91.10.00 Fabricated asbestos fibers; mixtures with a basis of asbestos or with a basis of asbestos and magnesium carbonate; articles of… 8.3% Free
6814.10.00.00 Worked mica and articles of mica, including agglomerated or reconstituted mica, whether or not on a support of paper, paperboard… 2.7% Free
6814.90.00.00 Worked mica and articles of mica, including agglomerated or reconstituted mica, whether or not on a support of paper, paperboard… 2.6% Free