| 2815.11.00 | 00 | Sodium hydroxide (Caustic soda): | | | | |
| 2815.11.00 | 00 | Solid | kg | Free | | 1.1￠/kg |
| 2815.12.00 | 00 | In aqueous solution (Soda lye or liquid soda) | kg NaOH kg | Free | | 1.1￠/kg |
| 2815.20.00 | | Potassium hydroxide (Caustic potash) | | Free | | 2.2￠/kg |
| 2815.20.00 | 50 | In solid form | kg | | | |
| 2815.20.00 | 90 | Other | kg | | | |
| 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% |
| 2816 | | Hydroxide and peroxide of magnesium; oxides, hydroxides and peroxides, of strontium or barium: | | | | |
| 2816.10.00 | 00 | Hydroxide and peroxide of magnesium | kg | 3.1% | Free (A,AU,BH, CA,CL,E,IL,J,JO, MA,MX,P,SG) | 25% |
| 2816.40 | | Oxides, hydroxides and peroxides, of strontium or barium: | | | | |
| 2816.40.10 | 00 | Of strontium | kg | 4.2% | Free (A,AU,BH, CA,CL,E,IL,J,JO, MA,MX,P,SG) | 25% |
| 2816.40.20 | 00 | Of barium | kg | 2% | Free (A,AU,BH, CA,CL,E,IL,J,JO, MA,MX,P,SG) | 10.5% |
| 2817.00.00 | 00 | Zinc oxide; zinc peroxide | kg | Free | | 5.5% |
| 2818 | | Artificial corundum, whether or not chemically defined; aluminum oxide; aluminum hydroxide: | | | | |
| 2818.10 | | Artificial corundum, whether or not chemically defined: | | | | |
| 2818.10.10 | 00 | Crude | t | Free | | Free |
| 2818.10.20 | | In grains, or ground, pulverized or refined | | 1.3% | Free (A,AU,BH, CA,CL,E,IL,J,JO, MA,MX,P,SG) | 4.1% |
| 2818.10.20 | 10 | White, pink or ruby, containing more than 97.5 percent by weight of aluminum oxide | kg | | | |
| 2818.10.20 | 90 | Other | kg | | | |
| 2818.20.00 | 00 | Aluminum oxide, other than artificial corundum | kg | Free | | 1.1￠/kg |
| 2818.30.00 | 00 | Aluminum hydroxide | kg | Free | | 1.1￠/kg |
| 2819 | | Chromium oxides and hydroxides: | | | | |
| 2819.10.00 | 00 | Chromium trioxide | kg | 3.7% | Free (A,AU,BH, CA,CL,E,IL,J,JO, MA,MX,P,SG) | 25% |
| 2819.90.00 | 00 | Other | kg | 3.7% | Free (A,AU,BH, CA,CL,E, IL,J,JO, MA,MX,P,SG) | 25% |
| 2820 | | Manganese oxides: | | | | |
