| 2711 | | Petroleum gases and other gaseous hydrocarbons: | | | | |
| 2711.13.00 | | Butanes | | Free | | Free |
| 2711.13.00 | 10 | Butanes with a purity of 90 liquid volume percent or more, but less than 95 liquid volume percent | bbl | | | |
| 2711.14.00 | | Ethylene, propylene, butylene and butadiene | | Free | | Free |
| 2711.14.00 | 30 | Butylene | kg | | | |
| 2711.14.00 | 40 | Butadiene | kg | | | |
| 2711.29.00 | 20 | Butanes: | | | | |
| 2711.29.00 | 20 | Butanes with a purity of 90 liquid volume percent or more, but less than 95 liquid volume percent | bbl | | | |
| 2712 | | Petroleum jelly; paraffin wax, microcrystalline petroleum wax, slack wax, ozokerite, lignite wax, peat wax, other mineral waxes and similar products obtained by synthesis or by other processes, whether or not colored: | | | | |
| 2712.20.00 | 00 | Paraffin wax containing by weight less than 0.75 percent of oil | kg | Free | | 2.2¢/kg |
| 2713 | | Petroleum coke, petroleum bitumen and other residues of petroleum oils or of oils obtained from bituminous minerals: | | | | |
| 2713.20.00 | 00 | Petroleum bitumen | t | Free | | Free |
| 2713.90.00 | 00 | Other residues of petroleum oils or of oils obtained from bituminous materials | t | Free | | Free |
| 2714 | | Bitumen and asphalt, natural; bituminous or oil shale and tar sands; asphaltites and asphaltic rocks: | | | | |
| 2714.10.00 | 00 | Bituminous or oil shale and tar sands | t | Free | | Free |
| 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 |
| 2801 | | Fluorine, chlorine, bromine and iodine: | | | | |
| 2801.30 | | Fluorine; bromine: | | | | |
| 2801.30.20 | 00 | Bromine | kg | 5.5% | Free (A+,AU,BH, CA,CL,D,E,IL,J, JO,MA,MX, P,SG) | 37% |
| 2802.00.00 | 00 | Sulfur, sublimed or precipitated; colloidal sulfur | t | Free | | Free |
| 2803.00.00 | | Carbon (carbon blacks and other forms of carbon not elsewhere specified or included) | | Free | | 20% |
| 2803.00.00 | 10 | Carbon black | kg | | | |
| 2804.50.00 | | Boron; tellurium | | Free | | 25% |
| 2804.50.00 | 10 | Boron | kg | | | |
| 2804.61.00 | 00 | Containing by weight not less than 99.99 percent of silicon | kg | Free | | 25% |
Harmonized Tariff Schedule of the United States inquiry: no
