| 2827.60.20 | 00 | Of potassium | kg | 2.8% | Free (A,AU,BH, CA,CL,E,IL,J,JO, MA,MX,P,SG) | 7.5% |
| 2829.90.05 | 00 | Potassium bromate | kg | Free | | 25% |
| 2829.90.40 | 00 | Of potassium | kg | 3.1% | Free (A,AU,BH, CA,CL,E,IL,J,JO, MA,MX,P,SG) | 25% |
| 2834.21.00 | 00 | Of potassium | t | Free | | Free |
| 2835.24.00 | 00 | Of potassium | kg | 3.1% | Free (A,AU,BH, CA,CL,E,IL,J,JO, MA,MX,P,SG) | 25% |
| 2835.39.10 | 00 | Of potassium | kg | 3.1% | Free (A,AU,BH, CA,CL,E,IL,J,JO, MA,MX,P,SG) | 25% |
| 2836.40 | | Potassium carbonates: | | | | |
| 2836.40.10 | 00 | Dipotassium carbonate | kg | 1.9% | Free (A,AU,BH, CA,CL,E,IL,J,JO, MA,MX,P,SG) | 6% |
| 2836.40.20 | 00 | Potassium hydrogencarbonate (Potassium bicarbonate) | kg | 1.3% | Free (A,AU,BH, CA,CL,E,IL,J,JO, MA,MX,P,SG) | 4.8% |
| 2837.19.01 | 10 | Potassium cyanide | kg | | | |
| 2837.20.10 | 00 | Potassium ferricyanide | kg | 1.1% | Free (A,AU,BH, CA,CL,E,IL,J,JO, MA,MX,P,SG) | 5.1% |
| 2839.11.00 | 00 | Sodium metasilicates | kg | 1.1% | Free (A,AU,BH, CA,CL,E,IL,J,JO, MA,MX,P,SG) | 3% |
| 2839.90.10 | 00 | Of potassium | kg | 3.1% | Free (A,AU,BH, CA,CL,E,IL,J,JO, MA,MX,P,SG) | 25% |
| 2841.50.10 | 00 | Potassium dichromate | kg | 1.5% | Free (A,AU,BH, CA,CL,E,IL,J,JO, MA,MX,P,SG) | 3.5% |
| 2841.61.00 | 00 | Potassium permanganate | kg | 5% | Free (A,AU,BH, CA,CL,E,IL,J,JO, MA,MX, P,SG) | 23% |
| 2841.90.30 | 00 | Potassium stannate | kg | 3.1% | Free (A,AU,BH, CA,CL,E,IL,J,JO, MA,MX,P,SG) | 25% |
| 2852.00.10 | 00 | Mercuric oxide, mercuric cyanide, mercuric oxycyanide And mercuric potassium cyanide | kg | Free | | 25% |
| 2853.00.00 | | Other inorganic compounds (including distilled or conductivity water and water of similar purity); liquid air (whether or not rare gases have been removed); compressed air; amalgams, other than amalgams of precious metals | | 2.8% | Free (A,AU,BH, CA,CL,E,IL,J,JO, MA,MX,P,SG) | 25% |
| 2901.10.40 | 00 | Derived in whole or in part from petroleum, shale oil or natural gas | kg | Free | | 25% |
| 2901.29.10 | | Derived in whole or in part from petroleum, shale oil or natural gas | | Free | | 25% |
| 2905.11.10 | 00 | Imported only for use in producing synthetic natural gas (SNG) or for direct use as a fuel | liters | Free | | 4.8¢/liter |
| 2908.99.03 | 00 | 2,5-Dihydroxybenzenesulfonic acid, potassium salt; 3,6-Dihydroxy-2,7-naphthalenedisulfonic acid; 3,6-Dihydroxy-2,7-naphthalenedisulfonic acid, sodium salt; 4-Hydroxy-1-naphthalenesulfonic acid, sodium salt; 1-Naphthol-3,6-disulfonic acid; and 2-Naphthol-3,6-disulfonic acid and its salts | kg | 5.5% | Free (A+,AU,BH, CA,CL,D,E,IL,J, JO,L,MA,MX, P, SG) | 15.4¢/kg + 45.5% |
| 2916.19.10 | 00 | Potassium sorbate | kg | 3.1% | Free (A,AU,BH, CA,CL,E,IL,J,JO, MA,MX,P,SG) | 25% |
| 2916.39.04 | 00 | m-Chloroperoxybenzoic acid; and p-Sulfobenzoic acid, potassium salt | kg | Free | | 15.4¢/kg + 40.5% |
| 2917.12.20 | 00 | Plasticizers | kg | 6.5% | Free (A,AU,BH,CA, CL,E,IL,J,JO, MA,MX,P) 3.2% (SG) | 15.4¢/kg + 57% |
Harmonized Tariff Schedule of the United States inquiry: 3203Ã
