| 1507.90.40 | 20 | Once-refined (subjected to alkali or caustic wash, but not bleached or deodorized) | kg | | | |
| 1512.29.00 | 20 | Once-refined (subjected to alkalai or caustic wash, but not bleached or deodorized) | kg | | | |
| 1515.29.00 | 20 | Once-refined (subjected to alkalai or caustic wash, but not bleached or deodorized) | kg | | | |
| 2519.90.20 | 00 | Caustic calcined magnesite | t | Free | | $20.70/t |
| 2815 | | Sodium hydroxide (Caustic soda); potassium hydroxide (Caustic potash); peroxides of sodium or potassium: | | | | |
| 2815.11.00 | 00 | Sodium hydroxide (Caustic soda): | | | | |
| 2815.20.00 | | Potassium hydroxide (Caustic potash) | | Free | | 2.2￠/kg |
