# 2528 — 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 2528 classifies 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.

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

**HS code:** `2528`

## 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

## Subheadings

- `252800` — 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

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Source: https://hscode.eximagent.ai/25/2528
Last updated: 2026-06-03
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