2517 | | Pebbles, gravel, broken or crushed stone, of a kind commonly used for concrete aggregates, for road metalling, or for railway or other ballast; shingle and flint, whether or not heat-treated; macadam of slag, dross or similar industrial waste, whether or not incorporating the materials cited in the first part of the heading; tarred macadam; granules, chippings and powder, of stones of heading 2515 or 2516, whether or not heat-treated: | | | | |
2517.10.00 | | Pebbles, gravel, broken or crushed stone, of a kind commonly used for concrete aggregates, for road metalling, or for railway or other ballast, shingle and flint, whether or not heat-treated | | Free | | 30% |
2517.20.00 | 00 | Macadam of slag, dross or similar industrial waste, whether or not incorporating the materials cited in subheading 2517.10 | t | Free | | 30% |
2517.41.00 | 00 | Granules, chippings and powder, of stones of heading 2515 or 2516, whether or not heat-treated: | | | | |
2518 | | Dolomite whether or not calcined or sintered, including dolomite roughly trimmed or merely cut, by sawing or otherwise, into blocks or slabs of a rectangular (including square) shape; dolomite ramming mix: | | | | |
2526 | | Natural steatite, whether or not roughly trimmed or merely cut, by sawing or otherwise, into blocks or slabs of a rect- angular (including square) shape;talc: | | | | |
2528 | | Natural borates and concentrates thereof (calcined or not), but not including borates separated from natural brine; natural boric acid containing not more than 85 percent of H3BO3 calculated on the dry weight: | | | | |
2528.10.00 | 00 | Natural sodium borates and concentrates thereof (whether or not calcined) | kg | Free | | Free |
2601 | | Iron ores and concentrates, including roasted iron pyrites: | | | | |
2601.11.00 | | Iron ores and concentrates, other than roasted iron pyrites: | | | | |
2601.11.00 | 30 | Concentrates | t | | | |
2602.00.00 | | Manganese ores and concentrates, including ferruginous manganese ores and concentrates with a manganese con- tent of 20 percent or more, calculated on the dry weight | | Free | | 2.2¢/kg on manganese content |
2603.00.00 | | Copper ores and concentrates | | 1.7¢/kg on lead content | Free (A,AU,BH, CA,CL,E,IL, J,JO, MA,MX, P,SG) | 8.8¢/kg on copper content + 3.3¢/kg on lead content + 3.7¢/kg on zinc content |
2604.00.00 | | Nickel ores and concentrates | | Free | | Free |
2605.00.00 | 00 | Cobalt ores and concentrates | kg Co kg | Free | | Free |
2606.00.00 | | Aluminum ores and concentrates | | Free | | $1/t |
2607.00.00 | | Lead ores and concentrates | | 1.1¢/kg on lead content | Free (A*,AU,BH, CA,CL,E,IL,J,JO, MA,MX, P,SG) | 8.8¢/kg on copper content + 3.3¢/kg on lead content + 3.7¢/kg on zinc content |
2608.00.00 | | Zinc ores and concentrates | | Free | | 8.8¢/kg on copper content + 3.3¢/kg on lead content + 3.7¢/kg on zinc content |
2609.00.00 | 00 | Tin ores and concentrates | t Sn t | Free | | Free |
2610.00.00 | | Chromium ores and concentrates | | Free | | Free |
2611.00 | | Tungsten ores and concentrates: | | | | |
2611.00.60 | 00 | Concentrates | kg W kg | 37.5¢/kg on tungsten content | Free (A,AU,BH, CA,CL,E,IL,J,JO, MA,MX, P,SG) | $1.10/kg on tungsten content |
2612 | | Uranium or thorium ores and concentrates: | | | | |
2612.10.00 | 00 | Uranium ores and concentrates | kg | Free | | Free |
2612.20.00 | 00 | Thorium ores and concentrates | t | Free | | Free |