# HTS 2810: Oxides of boron; boric acids

https://geopax.app/tariffs/catalog/28/2810

Source: [2026 HTS Revision 21 (October 9, 2026)](https://hts.usitc.gov/search?query=2810). Additional duties by country of origin may apply; estimate a shipment's full duty with the tariff calculator: https://geopax.app/tariffs/calculator

## 2810: Oxides of boron; boric acids

| Code | Description | General | Special | Column 2 | Units |
| --- | --- | --- | --- | --- | --- |
| 2810.00.00.00 | Oxides of boron; boric acids | 1.5% | Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 8.5% | t |