| 2519 | | Natural magnesium carbonate (magnesite); fused magnesia; dead-burned (sintered) magnesia, whether or not containing small quantities of other oxides added before sintering; other magnesium oxide, whether or not pure: | | | | |
| 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 | | Portland cement, aluminous cement, slag cement, supersulfate cement and similar hydraulic cements, whether or not colored or in the form of clinkers: | | | | |
| 2620.60 | | Containing arsenic, mercury, thallium or their mixtures, of a kind used for the extraction of arsenic or those metalsor for the manufacture of their chemical compounds: | | | | |
| 2620.60.10 | 00 | Of a kind used only for the extraction of arsenic or the manufacture of its chemical compounds | kg | 5% | Free (A+,AU,BH, CA,CL,D,E,IL,J, JO,MA,MX, P,SG) | 25% |
| 2620.99.30 | 00 | Materials not provided for elsewhere in this heading containing by weight over 10 percent nickel | kg Ni kg | Free | | Free |
| 2620.99.50 | 00 | Slag containing by weight over 40 percent titanium, and which if containing over 2 percent by weight of copper, lead, or zinc is not to be treated for the recovery thereof | kg | Free | | Free |
| 2620.99.75 | | Other materials which are residues not advanced in value or condition by any means, and which if containing over 2 percent by weight of copper, lead or zinc are not to be treated for the recovery thereof | | Free | | Free |
| 2704.00.00 | 11 | Coke larger than 100 mm (4 inches) in maximum diameter and at least 50 percent of which is retained on a 100-mm (4-inch) sieve after drop shatter testing pursuant to ASTM D 3038, of a kind used in foundries | t | | | |
| 2707.99.55 | 00 | Metacresol, orthocresol, paracresol and metaparacresol, all the foregoing having a purity of 75 percent or more by weight | kg | 0.9￠/kg + 3% | Free (A,AU,CA,BH, CL,E,IL,J,JO, MA,MX,P,SG) | 15.4￠/kg + 42.5% |
| 2710.11.15 | 14 | Reformulated | bbl | | | |
| 2710.11.18 | 05 | Reformulated blendstock for oxygenate blending (RBOB) | bbl | | | |
| 2710.11.45 | 45 | Insulating or transformer oils | bbl | | | |
| 2710.19.45 | 45 | Insulating or transformer oils | bbl | | | |
| 2715.00.00 | 00 | Bituminous mixtures based on natural asphalt, on natural bitumen, on petroleum bitumen, on mineral tar or on mineral tar pitch (for example, bituminous mastics, cut-backs) | t | Free | | Free |
| 2803.00.00 | | Carbon (carbon blacks and other forms of carbon not elsewhere specified or included) | | Free | | 20% |
| 2808.00.00 | | Nitric acid; sulfonitric acids | | Free | | Free |
| 2808.00.00 | 20 | Sulfonitric acids | kg | | | |
| 2815.20.00 | 50 | In solid form | kg | | | |
| 2831 | | Dithionites and sulfoxylates: | | | | |
| 2831.10.10 | 00 | Sodium formaldehyde sulfoxylate | kg | Free | | 35% |
| 2903.13.00 | 00 | Chloroform (Trichloromethane) | kg | 5.5% | Free (A,AU,BH,CA, CL,E,IL,J,JO, MA,MX,P) 2.8% (SG) | 32% |
| 2903.19.60 | 10 | Methylchloroform (1,1,1-Trichloroethane) | kg | | | |
| 2904 | | Sulfonated, nitrated or nitrosated derivatives of hydrocarbons, whether or not halogenated: | | | | |
| 2904.10 | | Derivatives containing only sulfo groups, their salts and ethyl esters: | | | | |
