| 6806.20.00 | 00 | Exfoliated vermiculite, expanded clays, foamed slag and similar expanded mineral materials (including intermixtures thereof) | kg | Free | | 30% |
| 6806.90.00 | 10 | Accoustical pads and boards | m2 | | | |
| 6806.90.00 | 20 | Of molded calcium silicate | X | | | |
| 6807 | | Articles of asphalt or of similar material (for example, petroleum bitumen or coal tar pitch): | | | | |
| 6808.00.00 | 00 | 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 | m2 kg | Free | | 20% |
| 6810 | | Articles of cement, of concrete or of artificial stone, whether or not reinforced: | | | | |
| 6810.19.12 | 00 | Floor and wall tiles: | | | | |
| 6810.91.00 | 00 | Prefabricated structural components for builidng or civil engineering | X | Free | | 30% |
| 6812.99.00 | 20 | Gaskets, packing and seals | kg | | | |
| 6812.99.00 | 25 | Building materials | X | | | |
| 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: | | | | |
| 6813.81.00 | 10 | Articles for use in civil aircraft, with a basis of mineral substances | X | | | |
| 6813.89.00 | 10 | Articles for use in civil aircraft, with a basis of mineral substances | X | | | |
| 6814 | | Worked mica and articles of mica, including agglomerated or reconstituted mica, whether or not on a support of paper, paperboard or other materials: | | | | |
| 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: | | | | |
| 6815.10.00 | 00 | Nonelectrical articles of graphite or other carbon | X | Free | | 45% |
| 6815.99.20 | 00 | Talc, steatite and soapstone, cut or sawed, or in blanks, crayons, cubes, disks or other forms | kg | Free | | 2.2¢/kg |
| 6901.00.00 | 00 | Bricks, blocks, tiles and other ceramic goods of siliceous fossil meals (for example, kieselguhr, tripolite or diatomite) or of similar siliceous earths | t | Free | | 30% |
| 6902 | | Refractory bricks, blocks, tiles and similar refractory ceramic constructional goods, other than those of siliceous fossil meals or similar siliceous earths: | | | | |
| 6902.10 | | Containing by weight, singly or together, more than 50 percent of the elements magnesium, calcium or chromium, expressed as MgO, CaO or Cr2O3: | | | | |
| 6902.20 | | Containing by weight more than 50 percent of alumina (Al2O3), of silica (SiO2) or of a mixture or compound of these products: | | | | |
| 6902.20.10 | 10 | Alumina | thousand t | | | |
| 6902.20.50 | 10 | Alumina | t | | | |
| 6903 | | Other refractory ceramic goods (for example, retorts, crucibles, muffles, nozzles, plugs, supports, cupels, tubes, pipes, sheaths and rods), other than those of siliceous fossil meals or of similar siliceous earths: | | | | |
| 6903.20.00 | 00 | Containing by weight more than 50 percent of alumina (Al2O3) or of a mixture or compound of alumina and of silica (SiO2) | kg | Free | | 30% |
Harmonized Tariff Schedule of the United States inquiry: 3920590000
