| 27.14 |  | Bitumen and asphalt, natural; bituminous or oil shale and tar sands; asphaltites and asphaltic rocks | 
| 2714.10 | 000 | Bituminous or oil shale and tar sands | 
| 2715.00 | 000 | 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) | 
| 28.01 |  | Fluorine, chlorine, bromine and iodine | 
| 2801.20 | 000 | Iodine | 
| 2802.00 | 000 | Sulphur, sublimed or precipitated; colloidal sulphur | 
| 2803.00 | 000 | Carbon (carbon blacks and other forms of carbon not elsewhere specified or included) | 
| 28.04 |  | Hydrogen, rare gases and other non-metals | 
| 2804.10 | 000 | Hydrogen | 
| 28.05 |  | Alkali or alkaline-earth metals; rare-earth metals, scandium and yttrium, whether or not intermixed or interalloyed; mercury | 
| 2805.11 | 000 | Sodium | 
| 2805.30 | 000 | Rare-earth metals, scandium and yttrium, whether or not intermixed or interalloyed | 
| 2805.40 |  | II.- INORGANIC ACIDS AND INORGANIC OXYGEN COMPOUNDS OF NON-METALS | 
| 28.06 |  | Hydrogen chloride (hydrochloric acid); chlorosulphuric acid | 
| 2806.10 | 000 | Hydrogen chloride (hydrochloric acid) | 
| 2806.20 | 000 | Chlorosulphuric acid | 
| 2807.00 | 000 | Sulphuric acid; oleum | 
| 2808.00 | 000 | Nitric acid; sulphonitric acids | 
| 28.09 |  | Diphosphorus pentaoxide; phosphoric acid; polyphosphoric acids, whether or not chemically defined | 
| 2809.10 | 000 | Diphosphorus pentaoxide | 
| 2809.20 | 000 | Phosphoric acid and polyphosphoric acids | 
| 2810.00 | 000 | Oxides of boron; boric acids | 
| 28.11 |  | Other inorganic acids and other inorganic oxygen compounds of non-metals |