| 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: | | | | |
| 6804.21.00 | 00 | Of agglomerated synthetic or natural diamond | No. | Free | | 30% |
| 6804.22 | | Of other agglomerated abrasives or of ceramics: | | | | |
| 6804.22.10 | 00 | Bonded with synthetic resins | kg | 5¢/kg + 2% | Free (A,AU,BH,CA, CL,E,IL,J,JO, MA,MX,P,SG) | $1.10/kg + 40% |
| 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: | | | | |
| 6805.10.00 | 00 | On a base of woven textile fabric only | kg | Free | | 20% |
| 6805.30.10 | 00 | Articles wholly or partly coated with abrasives, in the form of sheets, strips, disks, belts, sleeves or similar forms | kg | Free | | 20% |
| 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: | | | | |
| 6806.10.00 | 10 | Accoustical pads and boards | m2 | | | |
| 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): | | | | |
| 6807.90.00 | 10 | Articles of a kind used for roofing or siding | kg | | | |
| 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% |
| 6809 | | Articles of plaster or of compositions based on plaster: | | | | |
| 6809.11.00 | 00 | Boards, sheets, panels, tiles and similar articles, not ornamented: | | | | |
| 6809.90.00 | 00 | Other articles | X | Free | | 60% |
| 6810 | | Articles of cement, of concrete or of artificial stone, whether or not reinforced: | | | | |
| 6810.11.00 | 00 | Tiles, flagstones, bricks and similar articles: | | | | |
| 6810.11.00 | 00 | Building blocks and bricks | X | 3.2% | Free (A,AU,BH,CA, CL,E,IL,J,JO, MA,MX,P,SG) | 30% |
| 6810.91.00 | 00 | Other articles: | | | | |
| 6810.91.00 | 00 | Prefabricated structural components for builidng or civil engineering | X | Free | | 30% |
| 6811 | | Articles of asbestos-cement, of cellulose fiber-cement or the like: | | | | |
| 6811.82.00 | 00 | Other sheets, panels, tiles and similar articles | kg | Free | | 2.2¢/kg |
Harmonized Tariff Schedule of the United States inquiry: 3203Ã
