| 2519.90.10 | 00 | Fused magnesia and dead-burned (sintered) magnesia | kg | Free | | 1.7￠/kg |
| 2520.20.00 | 00 | Plasters | t | Free | | $1.38/t |
| 2521.00.00 | 00 | Limestone flux; limestone and other calcareous stone, of a kind used for the manufacture of lime or cement | t | Free | | Free |
| 2523.10.00 | 00 | Cement clinkers | t | Free | | $1.32/t, including weight of container |
| 2523.30.00 | 00 | Aluminous cement | t | Free | | $1.32/t, including weight of container |
| 2523.90.00 | 00 | Other hydraulic cements | t | Free | | $1.32/t, including weight of container |
| 2524.90.00 | 30 | Crudes | t | | | |
| 2524.90.00 | 45 | Milled fibers, group 4 and 5 grades | t | | | |
| 2525.10.00 | | Crude mica and mica rifted into sheets or splittings | | Free | | Free |
| 2525.10.00 | 10 | Split block mica | kg | | | |
| 2525.10.00 | 20 | Mica splittings | kg | | | |
| 2528.90.00 | 10 | Natural calcium borates | kg | | | |
| 2530.20.20 | 00 | Epsom salts | kg | Free | | 20% |
| 2530.90.20 | 00 | Natural micaceous iron oxides | kg | 2.9% | Free (A,AU,BH,CA, CL,E,IL,J,JO,MA, MX,P,SG) | 20% |
| 2530.90.80 | 15 | Earth colors | kg | | | |
| 2601.11.00 | 30 | Concentrates | t | | | |
| 2601.12.00 | 30 | Pellets | t | | | |
| 2601.12.00 | 60 | Briquettes | t | | | |
| 2601.20.00 | 00 | Roasted iron pyrites | t | Free | | Free |
| 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 |
| 2603.00.00 | 10 | Copper content | Cu kg | | | |
| 2603.00.00 | 20 | Lead content | Pb kg | | | |
| 2603.00.00 | 30 | Zinc content | Zn kg | | | |
| 2603.00.00 | 40 | Silver content | Ag g | | | |
