| 2804.61.00 | 00 | Containing by weight not less than 99.99 percent of silicon | kg | Free | | 25% |
| 2804.69.10 | 00 | Containing by weight less than 99.99 percent but not less than 99 percent of silicon | kg Si kg | 5.3% | Free (A*,AU,BH, CA,CL,E,IL,J,JO, MA,MX, P,SG) | 21% |
| 2806 | | II. INORGANIC ACIDS AND INORGANIC OXYGEN COMPOUNDS OF NONMETALS | | | | |
| 2810.00.00 | 00 | Oxides of boron; boric acids | t | 1.5% | Free (A*,AU,BH, CA,CL,E,IL,J,JO, MA,MX,P,SG) | 8.5% |
| 2811 | | Other inorganic acids and other inorganic oxygen compounds of nonmetals: | | | | |
| 2811.11.00 | 00 | Hydrogen fluoride (Hydrofluoric acid) | kg | Free | | Free |
| 2811.21.00 | 00 | Other inorganic oxygen compounds of nonmetals: | | | | |
| 2812 | | III. HALOGEN OR SULFUR COMPOUNDS OF NONMETALS | | | | |
| 2812 | | Halides and halide oxides of nonmetals: | | | | |
| 2813 | | Sulfides of nonmetals; commercial phosphorus trisulfide: | | | | |
| 2813.90.10 | 00 | Of arsenic | kg | Free | | Free |
| 2813.90.20 | 00 | Of phosphorus | kg | Free | | 25% |
| 2814 | | IV. INORGANIC BASES AND OXIDES, HYDROXIDES AND PEROXIDES OF METALS | | | | |
| 2815 | | Sodium hydroxide (Caustic soda); potassium hydroxide (Caustic potash); peroxides of sodium or potassium: | | | | |
| 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% |
| 2818.10.20 | 10 | White, pink or ruby, containing more than 97.5 percent by weight of aluminum oxide | kg | | | |
| 2821 | | Iron oxides and hydroxides; earth colors containing 70 percent or more by weight of combined iron evaluated as Fe2O3: | | | | |
| 2826 | | V. SALTS AND PEROXYSALTS, OF INORGANIC ACIDS AND METALS | | | | |
| 2826.12.00 | 00 | Of aluminum | kg | Free | | 25% |
| 2826.19.10 | 00 | Of ammonium | kg | 3.1% | Free (A,AU,BH, CA,CL,E,IL,J,JO, MA,MX,P,SG) | 25% |
Harmonized Tariff Schedule of the United States inquiry: 3920590000
