| 2818.20.00 | 00 | Aluminum oxide, other than artificial corundum | kg | Free | | 1.1¢/kg |
| 2821 | | Iron oxides and hydroxides; earth colors containing 70 percent or more by weight of combined iron evaluated as Fe2O3: | | | | |
| 2821.20.00 | 00 | Earth colors | kg | 5.5% | Free (A,AU,BH, CA,CL,E,IL,J,JO, MA,MX, P,SG) | 20% |
| 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% |
| 2824.10.00 | 00 | Lead monoxide (litharge, massicot) | kg | 3% | Free (A,AU,BH, CA,CL,E,IL,J,JO, MA,MX,P,SG) | 12% |
| 2825.50 | | Copper oxides and hydroxides: | | | | |
| 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% |
| 2825.60.00 | 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 | | Fluorides; fluorosilicates, fluoroaluminates and other complex fluorine salts: | | | | |
| 2827.39.60 | 00 | Of cobalt | kg | 4.2% | Free (A,AU,BH, CA,CL,E,IL,J,JO, MA,MX,P,SG) | 30% |
| 2827.41.00 | 00 | Of copper | kg | 3.9% | Free (A,AU,BH, CA,CL,E,IL,J,JO, MA,MX,P,SG) | 32.5% |
| 2827.60.10 | 00 | Of calcium or of copper | kg | Free | | 25% |
| 2828 | | Hypochlorites; commercial calcium hypochlorite; chlorites; hypobromites: | | | | |
| 2828.10.00 | 00 | Commercial calcium hypochlorite and other calcium hypochlorites | kg | 2.4% | Free (A,AU,BH, CA,CL,E,IL,J,JO, MA,MX,P,SG) | 25% |
| 2833.25.00 | 00 | Of copper | kg Cu kg | 1.4% | Free (A,AU,BH, CA,CL,E,IL,J,JO, MA,MX,P,SG) | 5% |
| 2833.29.10 | 00 | Of cobalt | kg | 1.4% | Free (A,AU,BH, CA,CL,E,IL,J,JO, MA,MX,P,SG) | 6.5% |
| 2836 | | Carbonates; peroxocarbonates (percarbonates); commercial ammonium carbonate containing ammonium carbamate: | | | | |
| 2836.99.10 | 00 | Cobalt carbonates | kg | 4.2% | Free (A,AU,BH, CA,CL,E,IL,J,JO, MA,MX,P,SG) | 30% |
| 2836.99.30 | 00 | Commercial ammonium carbonate and other ammonium carbonates | kg | 1.7% | Free (A,AU,BH, CA,CL,E,IL,J,JO, MA,MX,P,SG) | 16% |
| 2837 | | Cyanides, cyanide oxides and complex cyanides: | | | | |
| 2837.20 | | Complex cyanides: | | | | |
| 2839 | | Silicates; commercial alkali metal silicates: | | | | |
| 2842.10.00 | 00 | Double or complex silicates, including alumino- silicates whether or not chemically defined | kg | 3.7% | Free (A+,AU,BH, CA,CL,D,E,IL,J, JO,K,MA,MX, P,SG) | 25% |
| 2843 | | Colloidal precious metals; inorganic or organic compounds of precious metals, whether or not chemically defined; amalgams of precious metals: | | | | |
| 2843.10.00 | 00 | Colloidal precious metals | g | 5.5% | Free (A+,AU,BH, CA,CL,D,E,IL,J, JO,MA,MX, P,SG) | 65% |
Harmonized Tariff Schedule of the United States inquiry: no
