# 6903 — 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

HS code 6903 classifies 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. It belongs to Chapter 69 (Ceramic products) of Section XIII (Articles of stone, plaster, cement, asbestos, mica or similar materials; ceramic products; glass and glassware) of the Harmonized System.

> Section XIII · Articles of stone, plaster, cement, asbestos, mica or similar materials; ceramic products; glass and glassware
> Chapter 69 · Ceramic products

**HS code:** `6903`

## Description

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

## Subheadings

- `690310` — Containing, by weight, more than 50 % of free carbon
- `690320` — Containing, by weight, more than 50 % of alumina (Al2O3) or of a mixture or compound of alumina and of silica (SiO2)
- `690390` — Other

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Source: https://hscode.eximagent.ai/69/6903
Last updated: 2026-06-03
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