HS Heading 2833
Sulphates; alums; peroxosulphates (persulphates)
12 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 |
|---|---|---|---|---|---|---|---|---|
| 28331100 | Disodium Sulphate | 25 | 20 | 15 | 5 | 5 | 7.5 | 96.1% |
| 28331900 | Sodium Sulphates (Excl. Disodium Sulphate) | 25 | 20 | 15 | 5 | 5 | 7.5 | 96.1% |
| 28332100 | Sulphates Of Magnesium | 0 | 0 | 0 | 2 | 0 | 7.5 | 9.5% |
| 28332200 | Sulphates Of Aluminium | 10 | 0 | 15 | 5 | 0 | 7.5 | 39.75% |
| 28332400 | Sulphates Of Nickel | 10 | 0 | 15 | 5 | 0 | 7.5 | 39.75% |
| 28332500 | Sulphates Of Copper | 10 | 0 | 15 | 5 | 0 | 7.5 | 39.75% |
| 28332700 | Sulphates Of Barium | 5 | 0 | 15 | 5 | 0 | 7.5 | 33.63% |
| 28332910 | Zinc sulphate | 0 | 0 | 0 | 2 | 0 | 7.5 | 9.5% |
| 28332920 | CHROMIUM SULPHATE | 5 | 0 | 15 | 5 | 0 | 7.5 | 33.63% |
| 28332990 | Sulphates; alums; peroxosulphates (persulphates), nes | 10 | 0 | 0 | 5 | 0 | 7.5 | 23.25% |
| 28333000 | Alums | 10 | 0 | 15 | 5 | 0 | 7.5 | 39.75% |
| 28334000 | Peroxosulphates (Persulphates) | 10 | 0 | 15 | 5 | 0 | 7.5 | 39.75% |
Recorded imports
Between December 2025 and May 2026, NBR recorded commercial imports worth BDT 4,175,362,522 (143,275,113 kg) under this heading, across 12 of its 12 tariff lines.
| Month | Lines with imports | Net weight | Assessable value |
|---|---|---|---|
| December 2025 | 10 | 30,187,742 kg | BDT 982,407,778 |
| January 2026 | 11 | 23,986,601 kg | BDT 733,779,937 |
| February 2026 | 11 | 17,444,453 kg | BDT 549,052,262 |
| March 2026 | 11 | 19,675,920 kg | BDT 502,209,369 |
| April 2026 | 11 | 27,729,777 kg | BDT 697,172,563 |
| May 2026 | 12 | 24,250,620 kg | BDT 710,740,613 |
The largest lines by assessable value in May 2026:
Bonded imports. A further BDT 4,117,260,834 (239,611,844 kg) entered under the bonded-warehouse regime over the same months — duty-free inputs imported against an undertaking to re-export them. That is 49.6% of the total value imported under this heading.
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.