| 2815.11.00 | 00 | Sodium hydroxide (Caustic soda): | | | | |
| 2815.20.00 | | Potassium hydroxide (Caustic potash) | | Free | | 2.2¢/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% |
| 2817.00.00 | 00 | Zinc oxide; zinc peroxide | kg | Free | | 5.5% |
| 2818 | | Artificial corundum, whether or not chemically defined; aluminum oxide; aluminum hydroxide: | | | | |
| 2818.10.20 | | 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% |
| 2818.30.00 | 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% |
| 2821 | | Iron oxides and hydroxides; earth colors containing 70 percent or more by weight of combined iron evaluated as Fe2O3: | | | | |
| 2821.10.00 | | Iron oxides and hydroxides | | 3.7% | Free (A,AU,BH, CA,CL,E,IL,J,JO, MA,MX,P,SG) | 25% |
| 2822.00.00 | 00 | Cobalt oxides and hydroxides; commercial cobalt oxides | kg | 0.1% | Free (A,AU,BH, CA,CL,E,IL,J,JO, MA,MX,P,SG) | 1.7% |
| 2825 | | Hydrazine and hydroxylamine and their inorganic salts; other inorganic bases; other metal oxides, hydroxides and peroxides: | | | | |
| 2825.10.00 | 00 | Hydrazine and hydroxylamine and their inorganic salts | kg | 3.7% | Free (A,AU,BH, CA,CL,E,IL,J,JO, MA,MX,P,SG) | 25% |
| 2825.20.00 | 00 | Lithium oxide and hydroxide | kg | 3.7% | 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% |
| 2825.40.00 | 00 | Nickel oxides and hydroxides | kg | Free | | Free |
| 2825.50 | | Copper oxides and hydroxides: | | | | |
| 2825.50.20 | 00 | Cuprous oxide | kg | 5% | Free (A,AU,BH, CA,CL,E, IL,J,JO, MA,MX, P,SG) | 39.5% |
| 2825.50.30 | 00 | Copper hydroxides | kg | 3.9% | Free (A,AU,BH, CA,CL,E,IL,J,JO, MA,MX,P,SG) | 32.5% |
| 2825.70.00 | 00 | Molybdenum oxides and hydroxides | kg | 3.2% | Free (A,AU,BH, CA,CL,E,IL,J,JO, MA,MX,P,SG) | 20.5% |
Harmonized Tariff Schedule of the United States inquiry: 3203Ã
