# 252800 — Natural borates and concentrates thereof (whether or not calcined), but not…: Natural borates and concentrates thereof (whether or not calcined), but not including borates separated from natural brine; natural boric acid containing not more than 85 % of H3BO3 calculated on the dry weight

HS code 252800 classifies Natural borates and concentrates thereof (whether or not calcined), but not…: Natural borates and concentrates thereof (whether or not calcined), but not including borates separated from natural brine; natural boric acid containing not more than 85 % of H3BO3 calculated on the dry weight. It belongs to Chapter 25 (Salt; sulphur; earths and stone; plastering materials, lime and cement) of Section V (Mineral products) of the Harmonized System. Duty rates are recorded for 1 country.

> Section V · Mineral products
> Chapter 25 · Salt; sulphur; earths and stone; plastering materials, lime and cement

**HS code:** `252800`

## Description

Natural borates and concentrates thereof (whether or not calcined), but not including borates separated from natural brine; natural boric acid containing not more than 85 % of H3BO3 calculated on the dry weight

## Duty rates

| Country | Rate | Programme |
| --- | --- | --- |
| US United States | 0% | MFN |

Rates effective as of 2026-01-01.

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Source: https://hscode.eximagent.ai/25/252800
Last updated: 2026-06-03
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