| 2711.14.00 | 10 | Ethylene | kg | | | |
| 2711.14.00 | 20 | Propylene | kg | | | |
| 2711.14.00 | 30 | Butylene | kg | | | |
| 2711.14.00 | 40 | Butadiene | kg | | | |
| 2711.19.00 | | Other | | Free | | Free |
| 2711.19.00 | 10 | Ethane | bbl | | | |
| 2711.19.00 | 20 | Other | kg liters | | | |
| 2711.29.00 | | Other | | Free | | Free |
| 2711.29.00 | 10 | Propane with a minimum purity of 90 liquid volume percent | bbl | | | |
| 2711.29.00 | 15 | Other | bbl | | | |
| 2711.29.00 | 20 | Butanes with a purity of 90 liquid volume percent or more, but less than 95 liquid volume percent | bbl | | | |
| 2711.29.00 | 25 | Other | bbl | | | |
| 2711.29.00 | 60 | Other | bbl | | | |
| 2712.90.20 | 00 | Other | kg | Free | | 2.2¡é/kg |
| 2714.90.00 | 00 | Other | t | Free | | Free |
| 2801.10.00 | 00 | Chlorine | kg | Free | | 25% |
| 2801.20.00 | 00 | Iodine | kg | Free | | Free |
| 2801.30.10 | 00 | Fluorine | kg | 3.7% | Free (A,AU,BH, CA,CL,E,IL,J,JO, MA,MX,P,SG) | 25% |
| 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 | 50 | Other | kg | | | |
| 2804.29.00 | | Other | | 3.7% | Free (A,AU,BH, CA,CL,E,IL,J,JO, MA,MX,P,SG) | 25% |
| 2804.29.00 | 10 | Helium | thousand m3 | | | |
| 2804.29.00 | 50 | Other | thousand m3 | | | |
| 2804.50.00 | | Boron; tellurium | | Free | | 25% |
