HS Heading 2815
Sodium hydroxide (caustic soda); potassium hydroxide (caustic potash) peroxides of sodium or potassium
4 tariff lines in this heading, within chapter 28 (Inorganic chemicals; compounds of precious metals, rare-earth metals, radioactive elements or isotopes). Click any HS code for the full breakdown and a duty calculation.
| HS Code | Description | CD | SD | VAT | AIT | RD | AT | TTI |
|---|---|---|---|---|---|---|---|---|
| 28151100 | Sodium Hydroxide (Caustic Soda), Solid | 25 | 0 | 15 | 5 | 5 | 7.5 | 64.25% |
| 28151200 | Sodium Hydroxide In Aqueous Solution (Soda Lye Or Liquid Soda) | 25 | 0 | 15 | 5 | 5 | 7.5 | 64.25% |
| 28152000 | Potassium Hydroxide (Caustic Potash) | 25 | 0 | 15 | 5 | 5 | 7.5 | 64.25% |
| 28153000 | Peroxides Of Sodium Or Potassium | 25 | 0 | 15 | 5 | 5 | 7.5 | 64.25% |
Recorded imports
Between December 2025 and May 2026, NBR recorded commercial imports worth BDT 65,504,117 (222,087 kg) under this heading, across 3 of its 4 tariff lines. The remaining 1 recorded no commercial import in that window.
| Month | Lines with imports | Net weight | Assessable value |
|---|---|---|---|
| December 2025 | 2 | 32,594 kg | BDT 13,358,981 |
| January 2026 | 3 | 36,486 kg | BDT 12,041,371 |
| February 2026 | 2 | 36,521 kg | BDT 18,953,582 |
| March 2026 | 2 | 6,879 kg | BDT 7,405,719 |
| April 2026 | 3 | 107,272 kg | BDT 13,318,344 |
| May 2026 | 2 | 2,335 kg | BDT 426,120 |
The largest lines by assessable value in May 2026:
Bonded imports. A further BDT 254,927,072 (3,973,213 kg) entered under the bonded-warehouse regime over the same months — duty-free inputs imported against an undertaking to re-export them. That is 79.6% of everything imported under this heading: most of this trade never pays the duty rates shown above.
Import figures: NBR Import Statements (IM-4 commercial, IM-7 bonded), December 2025 – May 2026. Assessable value is the customs value on which duty is charged, not the retail or invoice price.