# HTS 2840: Borates; peroxoborates (perborates):

https://geopax.app/tariffs/catalog/28/2840

Source: [2026 HTS Revision 21 (October 9, 2026)](https://hts.usitc.gov/search?query=2840). Additional duties by country of origin may apply; estimate a shipment's full duty with the tariff calculator: https://geopax.app/tariffs/calculator

## 2840: Borates; peroxoborates (perborates):

| Code | Description | General | Special | Column 2 | Units |
| --- | --- | --- | --- | --- | --- |
| 2840 | Borates; peroxoborates (perborates): |  |  |  |  |
|  |   Disodium tetraborate (refined borax): |  |  |  |  |
| 2840.11.00.00 |     Anhydrous | 0.3% | Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 1.2% | kg |
| 2840.19.00.00 |     Other | 0.1% | Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 0.4% | kg |
| 2840.20.00.00 |   Other borates | 3.7% | Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 25% | kg |
| 2840.30.00 |   Peroxoborates (perborates) | 3.7% | Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 25% |  |
| 2840.30.00.10 |     Sodium perborate | 3.7% | Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 25% | kg |
| 2840.30.00.50 |     Other | 3.7% | Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 25% | kg |