# HS code 6902.90: Refractory bricks, blocks, tiles and similar refractory ceramic constructional goods, other than those of siliceous fossil meals or similar siliceous earths

> HS code 6902.90 covers refractory bricks, blocks, tiles and similar refractory ceramic constructional goods, other than those of siliceous fossil meals or similar siliceous earths, other than those classified in 6902.10 and 6902.20. It sits in heading 69.02 (refractory bricks, blocks, tiles and similar refractory ceramic constructional goods, other than those of siliceous fossil meals or similar siliceous earths) in chapter 69 (ceramic products). Other goods of heading 69.02 are classified under 6902.10 (containing by weight, singly or together, more than 50 % of the elements Mg, Ca or Cr, expressed as MgO, CaO or Cr2O3) and 6902.20 (containing, by weight, more than 50 % of alumina (Al2O3), of silica (SiO2) or of a mixture or compound of these products). National tariff lines under 6902.90 are live on border.bot for the United States (4 lines, also used by 1 other country).

Source: https://border.bot/hs-codes/690290
Last updated: 11 October 2026

[HS codes](https://border.bot/hs-codes) / [Chapter 69](https://border.bot/hs-codes/69) / [69.02](https://border.bot/hs-codes/6902) / [6902.90](https://border.bot/hs-codes/690290)

## Key facts

- HS code: 6902.90
- Covers: Refractory bricks, blocks, tiles and similar refractory ceramic constructional goods, other than those of siliceous fossil meals or similar siliceous earths
- Heading: [69.02: Refractory bricks, blocks, tiles and similar refractory ceramic constructional goods, other than those of siliceous fossil meals or similar siliceous earths](https://border.bot/hs-codes/6902)
- Chapter: [69: Ceramic products](https://border.bot/hs-codes/69)
- Edition: HS2022
- Duty in the United States: [See its 4 lines](https://border.bot/countries/united-states/hs-codes/690290)

## What this code covers

HS code 6902.90 covers refractory bricks, blocks, tiles and similar refractory ceramic constructional goods, other than those of siliceous fossil meals or similar siliceous earths, other than those classified in 6902.10 and 6902.20.

The legal text of the subheading is “Other”, in HS2022.

## What it doesn’t cover

Other goods of heading 69.02 are classified under 6902.10 (containing by weight, singly or together, more than 50 % of the elements Mg, Ca or Cr, expressed as MgO, CaO or Cr2O3) and 6902.20 (containing, by weight, more than 50 % of alumina (Al2O3), of silica (SiO2) or of a mixture or compound of these products).

- [6902.10](https://border.bot/hs-codes/690210) Containing by weight, singly or together, more than 50 % of the elements Mg, Ca or Cr, expressed as MgO, CaO or Cr2O3
- [6902.20](https://border.bot/hs-codes/690220) Containing, by weight, more than 50 % of alumina (Al2O3), of silica (SiO2) or of a mixture or compound of these products

## How it is structured

6902.90 is a six-digit subheading. Its first two digits, 69, are the chapter; the first four, 6902, are heading 69.02; the last two, 90, identify the subheading within the heading.

Countries add their own digits after these six for their national tariff lines.

- 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 6902.90: Other

## In other countries

National tariff lines under 6902.90 are live on border.bot for the United States (4 lines, also used by 1 other country).

- [United States](https://border.bot/countries/united-states/hs-codes/690290): 4 lines, used by 1 other country

- Previous subheading: [6902.20](https://border.bot/hs-codes/690220) Containing, by weight, more than 50 % of alumina (Al2O3), of silica (SiO2) or of a mixture or compound of these products
- Next subheading: [6903.10](https://border.bot/hs-codes/690310) Containing by weight more than 50 % of free carbon

## Frequently asked questions

### What does HS code 6902.90 cover?

HS code 6902.90 covers refractory bricks, blocks, tiles and similar refractory ceramic constructional goods, other than those of siliceous fossil meals or similar siliceous earths, other than those classified in 6902.10 and 6902.20.

### Which heading and chapter is HS code 6902.90 in?

HS code 6902.90 is in heading 69.02 (refractory bricks, blocks, tiles and similar refractory ceramic constructional goods, other than those of siliceous fossil meals or similar siliceous earths) in chapter 69 (ceramic products).

### Where are goods of heading 69.02 classified when 6902.90 doesn’t fit?

Other goods of heading 69.02 are classified under 6902.10 (containing by weight, singly or together, more than 50 % of the elements Mg, Ca or Cr, expressed as MgO, CaO or Cr2O3) and 6902.20 (containing, by weight, more than 50 % of alumina (Al2O3), of silica (SiO2) or of a mixture or compound of these products).

### Which countries’ tariffs list national lines under HS code 6902.90?

National tariff lines under 6902.90 are live on border.bot for the United States (4 lines, also used by 1 other country).

## Sources and updates

The Harmonized System legal text comes from border.bot release 2 (edition HS 2022), imported from a file, and has been live since 11 October 2026.

This page was last updated on 11 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.

Machine-readable: https://border.bot/hs-codes/690290.json
