# United States tariff line 6902.10.50.00: Other

> In the United States tariff, line 6902.10.50.00 covers refractory bricks, blocks, tiles and similar refractory ceramic constructional goods, other than those of siliceous fossil meals or similar siliceous earths, containing by weight, singly or together, more than 50 percent of the elements magnesium, calcium or chromium, expressed as MgO, CaO or Cr2O3. Goods under this line enter free of general (MFN) duty. It falls under HS subheading 6902.10 in heading 69.02 (chapter 69).

Source: https://border.bot/countries/united-states/hs-codes/6902105000
Last updated: 9 October 2026

[Countries](https://border.bot/countries) / [United States](https://border.bot/countries/united-states) / [Chapter 69](https://border.bot/countries/united-states/hs-codes/69) / [6902.10](https://border.bot/countries/united-states/hs-codes/690210) / [6902.10.50.00](https://border.bot/countries/united-states/hs-codes/6902105000)

## Key facts

- Tariff line: 6902.10.50.00
- Covers: Refractory bricks, blocks, tiles and similar refractory ceramic constructional goods, other than those of siliceous fossil meals or similar siliceous earths, containing by weight, singly or together, more than 50 percent of the elements magnesium, calcium or chromium, expressed as MgO, CaO or Cr2O3
- Duty (MFN): Free
- Additional duties: None recorded
- Restrictions: None recorded
- Tariff: [United States](https://border.bot/countries/united-states)
- HS subheading: [6902.10](https://border.bot/hs-codes/690210)

## What this line covers

In the United States tariff, line 6902.10.50.00 covers refractory bricks, blocks, tiles and similar refractory ceramic constructional goods, other than those of siliceous fossil meals or similar siliceous earths, containing by weight, singly or together, more than 50 percent of the elements magnesium, calcium or chromium, expressed as MgO, CaO or Cr2O3.

Its legal text is “Other”, read under “Containing by weight, singly or together, more than 50 percent of the elements magnesium, calcium or chromium, expressed as MgO, CaO or Cr2O3”.

## How it is structured

It falls under HS subheading 6902.10 in heading 69.02 (chapter 69). The first six digits are the Harmonized System code; the 4 digits after them are added by the United States tariff.

- Chapter 69: Ceramic products
- Heading 69.02: Refractory bricks, blocks, tiles and similar refractory ceramic constructional goods, other than those of siliceous fossil meals or similar siliceous earths
- Subheading 6902.10: Containing by weight, singly or together, more than 50 percent of the elements magnesium, calcium or chromium, expressed as MgO, CaO or Cr2O3
- Line 6902.10.50.00: Other

## 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 6902.10 yet.

- [The Harmonized System text for 6902.10](https://border.bot/hs-codes/690210)

## Other lines under 6902.10

- [6902.10.10.00](https://border.bot/countries/united-states/hs-codes/6902101000) Magnesite bricks

- Previous line: [6902.10.10.00](https://border.bot/countries/united-states/hs-codes/6902101000) Magnesite bricks
- Next line: [6902.20.10.10](https://border.bot/countries/united-states/hs-codes/6902201010) Alumina

## Frequently asked questions

### What does tariff line 6902.10.50.00 cover in the United States tariff?

In the United States tariff, line 6902.10.50.00 covers refractory bricks, blocks, tiles and similar refractory ceramic constructional goods, other than those of siliceous fossil meals or similar siliceous earths, containing by weight, singly or together, more than 50 percent of the elements magnesium, calcium or chromium, expressed as MgO, CaO or Cr2O3.

### What is the general (MFN) duty on 6902.10.50.00 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/6902105000.json