# United States tariff line 2529.10.00.00: Feldspar

> In the United States tariff, line 2529.10.00.00 covers feldspar. Goods under this line enter free of general (MFN) duty. It falls under HS subheading 2529.10 in heading 25.29 (chapter 25).

Source: https://border.bot/countries/united-states/hs-codes/2529100000
Last updated: 9 October 2026

[Countries](https://border.bot/countries) / [United States](https://border.bot/countries/united-states) / [Chapter 25](https://border.bot/countries/united-states/hs-codes/25) / [2529.10](https://border.bot/countries/united-states/hs-codes/252910) / [2529.10.00.00](https://border.bot/countries/united-states/hs-codes/2529100000)

## Key facts

- Tariff line: 2529.10.00.00
- Covers: Feldspar
- Duty (MFN): Free
- Additional duties: None recorded
- Restrictions: None recorded
- Tariff: [United States](https://border.bot/countries/united-states)
- HS subheading: [2529.10](https://border.bot/hs-codes/252910)

## What this line covers

In the United States tariff, line 2529.10.00.00 covers feldspar.

Its legal text is “Feldspar”.

## How it is structured

It falls under HS subheading 2529.10 in heading 25.29 (chapter 25). The first six digits are the Harmonized System code; the 4 digits after them are added by the United States tariff.

- Chapter 25: Salt; sulphur; earths and stone; plastering materials, lime and cement
- Heading 25.29: Feldspar; leucite, nepheline and nepheline syenite; fluorspar
- Line 2529.10.00.00: Feldspar

## Duty

Goods under this line enter free of general (MFN) duty.

## In other countries

No other national tariff on border.bot has live lines under 2529.10 yet.

- [The Harmonized System text for 2529.10](https://border.bot/hs-codes/252910)

- Previous line: [2528.00.00.50](https://border.bot/countries/united-states/hs-codes/2528000050) Other
- Next line: [2529.21.00.00](https://border.bot/countries/united-states/hs-codes/2529210000) Containing by weight 97 percent or less of calcium fluoride

## Frequently asked questions

### What does tariff line 2529.10.00.00 cover in the United States tariff?

In the United States tariff, line 2529.10.00.00 covers feldspar.

### What is the general (MFN) duty on 2529.10.00.00 in the United States?

Goods under this line enter free of general (MFN) duty.

## Sources and updates

The tariff lines for the United States come from border.bot release 1 (edition 2026HTSRev21), read from the publisher’s files, and have been live since 9 October 2026.

The duty rates for the United States come from border.bot release 1 (edition 2026HTSRev21), read from the publisher’s files, and have been live since 9 October 2026.

The trade programmes for the United States come from border.bot release 1 (edition 2026HTSRev21), read from the publisher’s files, and have been live since 9 October 2026.

This page was last updated on 9 October 2026.

Guidance from published tariff data, not a binding ruling. For a decision customs must follow, apply to the destination’s customs authority for a binding tariff ruling.

Official source files:

- https://hts.usitc.gov/reststop/exportList?from=0000000000&to=9999999999&format=CSV&styles=false

Machine-readable: https://border.bot/countries/united-states/hs-codes/2529100000.json