| 2815 | | Sodium hydroxide (Caustic soda); potassium hydroxide (Caustic potash); peroxides of sodium or potassium: | | | | |
| 2815.11.00 | 00 | Sodium hydroxide (Caustic soda): | | | | |
| 2815.30.00 | 00 | Peroxides of sodium or potassium | kg | 3.7% | Free (A,AU,BH, CA,CL,E,IL,J,JO, MA,MX,P,SG) | 25% |
| 2820.10.00 | 00 | Manganese dioxide | kg | 4.7% | Free (A,AU,BH, CA,CL,E,IL,J,JO, MA,MX,P,SG) | 25% |
| 2825.30.00 | | Vanadium oxides and hydroxides | | 5.5% | Free (A,AU,BH, CA,CL,E,IL,J,JO, MA,MX,P) 2.8% (SG) | 40% |
| 2825.30.00 | 10 | Vanadium pentoxide (anhydride) | kg V kg | | | |
| 2825.60.00 | 00 | Germanium oxides and zirconium dioxide | kg | 3.7% | Free (A,AU,BH, CA,CL,E,IL,J,JO, MA,MX,P,SG) | 25% |
| 2826.19.20 | 00 | Of sodium | kg | 3.7% | Free (A,AU,BH, CA,CL,E,IL,J,JO, MA,MX,P,SG) | 25% |
| 2826.30.00 | 00 | Sodium hexafluoroaluminate (Synthetic cryolite) | t | Free | | Free |
| 2826.90.10 | 00 | Fluorosilicates of sodium or of potassium | kg | 4.1% | Free (A,AU,BH, CA,CL,E,IL,J,JO, MA,MX,P,SG) | 62.5% |
| 2827 | | Chlorides, chloride oxides and chloride hydroxides; bromides and bromide oxides; iodides and iodide oxides: | | | | |
| 2827.39.10 | 00 | Of vanadium | kg V kg | 5.5% | Free (A,AU,BH, CA,CL,E,IL,J,JO, MA,MX,P) 2.8% (SG) | 40% |
| 2827.49.10 | 00 | Of vanadium | kg V kg | 5.5% | Free (A,AU,BH, CA,CL,E,IL,J,JO, MA,MX,P) 2.8% (SG) | 40% |
| 2827.51.00 | 00 | Bromides of sodium or of potassium | kg | Free | | 22¢/kg |
| 2827.60 | | Iodides and iodide oxides: | | | | |
| 2829.11.00 | 00 | Of sodium | kg | Free | | 13% |
| 2829.90.25 | 00 | Sodium bromate | kg | Free | | 25% |
| 2830.10.00 | 00 | Sodium sulfides | kg | 3.7% | Free (A,AU,BH, CA,CL,E,IL,J,JO, MA,MX,P,SG) | 25% |
| 2831 | | Dithionites and sulfoxylates: | | | | |
| 2831.10 | | Of sodium: | | | | |
| 2831.10.10 | 00 | Sodium formaldehyde sulfoxylate | kg | Free | | 35% |
| 2832.10.00 | 00 | Sodium sulfites | kg | 1.5% | Free (A,AU,BH, CA,CL,E,IL,J,JO, MA,MX,P,SG) | 4.5% |
| 2832.30.10 | 00 | Sodium thiosulfate | kg | 1.5% | Free (A*,AU,BH, CA,CL,E,IL,J,JO, MA,MX,P,SG) | 4.5% |
| 2833.11 | | Sodium sulfates: | | | | |
| 2833.11 | | Disodium sulfate: | | | | |