Articles of stone, plaster, cement, asbestos, mica or similar materials

The 15 headings of chapter 68

• 6801: Setts, curbstones and flagstones, of natural stone (except slate) (1 code, General duty 2.8%)
• 6802: Worked monumental or building stone (except slate) and articles thereof, other than goods of heading 6801; mosaic cubes and the like, of natural stone (including slate), whether or not on a backing; artificially colored granules, chippings and powder, of natural stone (including slate) (22 codes, General duty 1.9% to 6.5%)
• 6803: Worked slate and articles of slate or of agglomerated slate (2 codes, General duty Free to 3.3%)
• 6804: Millstones, grindstones, grinding wheels and the like, without frameworks, for grinding, sharpening, polishing, trueing or cutting, hand sharpening or polishing stones, and parts thereof, of natural stone, of agglomerated natural or artificial abrasives, or of ceramics, with or without parts of other materials (10 codes, General duty Free to 2%, some per unit)
• 6805: Natural or artificial abrasive powder or grain, on a base of textile material, of paper, of paperboard or of other materials, whether or not cut to shape or sewn or otherwise made up (4 codes, General duty Free)
• 6806: Slag wool, rock wool and similar mineral wools; exfoliated vermiculite, expanded clays, foamed slag and similar expanded mineral materials; mixtures and articles of heat-insulating, sound-insulating or sound-absorbing mineral materials, other than those of heading 6811 or 6812, or of chapter 69 (9 codes, General duty Free to 3.9%)
• 6807: Articles of asphalt or of similar material (for example, petroleum bitumen or coal tar pitch) (3 codes, General duty Free to 2.7%)
• 6808: Panels, boards, tiles, blocks and similar articles of vegetable fiber, of straw or of shavings, chips, particles, sawdust or other waste, of wood, agglomerated with cement, plaster or other mineral binders (1 code, General duty Free)
• 6809: Articles of plaster or of compositions based on plaster (4 codes, General duty Free to 3%)
• 6810: Articles of cement, of concrete or of artificial stone, whether or not reinforced (9 codes, General duty Free to 9%)
• 6811: Articles of asbestos-cement, of cellulose fiber-cement or the like (5 codes, General duty Free)
• 6812: Fabricated asbestos fibers; mixtures with a basis of asbestos or with a basis of asbestos and magnesium carbonate; articles of such mixtures or of asbestos (for example, thread, woven fabric, clothing, headgear, footwear, gaskets), whether or not reinforced, other than goods of heading 6811 or 6813 (7 codes, General duty Free to 8.3%)
• 6813: Friction material and articles thereof (for example, sheets, rolls, strips, segments, discs, washers, pads), not mounted, for brakes, for clutches or the like, with a basis of asbestos, of other mineral substances or of cellulose, whether or not combined with textile or other materials (8 codes, General duty Free)
• 6814: Worked mica and articles of mica, including agglomerated or reconstituted mica, whether or not on a support of paper, paperboard or other materials (2 codes, General duty 2.6% to 2.7%)
• 6815: Articles of stone or of other mineral substances (including carbon fibers, articles of carbon fibers and articles of peat), not elsewhere specified or included (10 codes, General duty Free)

Where it sits in the schedule

Chapter 68 is in Section XIII of the Harmonized System, stone, ceramics and glass (chapters 68 to 70). Rates are those printed in the 2026 HTS Revision 23; Chapter 99 duties (Section 232, Section 301, IEEPA) are charged on top and are not included.