# United States tariff lines under HS 6902.90

> The United States tariff splits HS 6902.90 (refractory bricks, blocks, tiles and similar refractory ceramic constructional goods, other than those of siliceous fossil meals or similar siliceous earths) into 4 national lines: 6902.90.10.10 (clay), 6902.90.10.20 (other), 6902.90.50.10 (clay) and 6902.90.50.20 (other). Every United States line under 6902.90 is free of general (MFN) duty.

Source: https://border.bot/countries/united-states/hs-codes/690290
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) / [6902.90](https://border.bot/countries/united-states/hs-codes/690290)

## Key facts

- HS subheading: [6902.90](https://border.bot/hs-codes/690290)
- Duty (MFN): Free
- National lines: 4
- Tariff: [United States](https://border.bot/countries/united-states)
- Chapter: 69: Ceramic products

## United States lines under 6902.90

The United States tariff splits HS 6902.90 (refractory bricks, blocks, tiles and similar refractory ceramic constructional goods, other than those of siliceous fossil meals or similar siliceous earths) into 4 national lines: 6902.90.10.10 (clay), 6902.90.10.20 (other), 6902.90.50.10 (clay) and 6902.90.50.20 (other).

Every United States line under 6902.90 is free of general (MFN) duty.

- [6902.90.10.10](https://border.bot/countries/united-states/hs-codes/6902901010) Other, Bricks, Clay. Duty (MFN): free
- [6902.90.10.20](https://border.bot/countries/united-states/hs-codes/6902901020) Other, Bricks, Other. Duty (MFN): free
- [6902.90.50.10](https://border.bot/countries/united-states/hs-codes/6902905010) Other, Other, Clay. Duty (MFN): free
- [6902.90.50.20](https://border.bot/countries/united-states/hs-codes/6902905020) Other, Other, Other. Duty (MFN): free

## In other countries

No other national tariff on border.bot has live lines under 6902.90 yet.

- [The Harmonized System text for 6902.90](https://border.bot/hs-codes/690290)

- Previous subheading: [6902.20](https://border.bot/countries/united-states/hs-codes/690220) Containing by weight more than 50 percent of alumina (Al2O3), of silica (SiO2) or of a mixture or compound of these products
- Next subheading: [6903.10](https://border.bot/countries/united-states/hs-codes/690310) Other refractory ceramic goods (for example, retorts, crucibles, muffles, nozzles, plugs, supports, cupels, tubes, pipes, sheaths, rods and slide gates), other than those of siliceous fossil meals or of similar siliceous earths

## Frequently asked questions

### How many national tariff lines does the United States tariff have under HS 6902.90?

The United States tariff splits HS 6902.90 (refractory bricks, blocks, tiles and similar refractory ceramic constructional goods, other than those of siliceous fossil meals or similar siliceous earths) into 4 national lines: 6902.90.10.10 (clay), 6902.90.10.20 (other), 6902.90.50.10 (clay) and 6902.90.50.20 (other).

### What is the duty on HS 6902.90 in the United States?

Every United States line under 6902.90 is 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/690290.json