| 6803.00 | | Worked slate and articles of slate or of agglomerated slate: | | | | |
| 6803.00.10 | 00 | Roofing slate | m2 | 3.3% | Free (A,AU,BH,CA, CL,E,IL,J,JO, MA,MX,P,SG) | 25% |
| 6803.00.50 | 00 | Other | X | Free | | 25% |
| 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: | | | | |
| 6804.10.00 | 00 | Millstones and grindstones for milling, grinding or pulping | No. | Free | | Free |
| 6804.21.00 | 00 | Other millstones, grindstones, grinding wheels and the like: | | | | |
| 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% |
| 6804.22.40 | 00 | Other: | | | | |
| 6804.22.60 | 00 | Other | X | Free | | 30% |
| 6804.23.00 | 00 | Of natural stone | No. | Free | | Free |
| 6804.30.00 | 00 | Hand sharpening or polishing stones | No. | Free | | Free |
| 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% |
| 6805.20.00 | 00 | On a base of paper or paperboard only | kg | Free | | 20% |
| 6805.30 | | On a base of other materials: | | | | |
| 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% |
| 6805.30.50 | 00 | Other | 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 | | Slag wool, rock wool and similar mineral wools (including intermixtures thereof), in bulk, sheets or rolls | | 3.9% | Free (A,AU,BH,CA, CL,E,IL,J,JO, MA,MX,P,SG) | 30% |
| 6806.10.00 | 10 | Accoustical pads and boards | m2 | | | |
| 6806.10.00 | 20 | Other: | | | | |
| 6806.10.00 | 20 | Batts, not exceeding 61 cm in width | m2 | | | |
| 6806.10.00 | 60 | Pipe coverings | X | | | |
