# 690310 — Other refractory ceramic goods (for example, retorts, crucibles, muffles,…: Containing, by weight, more than 50 % of free carbon

HS code 690310 classifies Other refractory ceramic goods (for example, retorts, crucibles, muffles,…: Containing, by weight, more than 50 % of free carbon. 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. Duty rates are recorded for 1 country.

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

**HS code:** `690310`

## 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 : Containing, by weight, more than 50 % of free carbon

## Duty rates

| Country | Rate | Programme |
| --- | --- | --- |
| US United States | 0% | MFN |

Rates effective as of 2026-01-01.

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Source: https://hscode.eximagent.ai/69/690310
Last updated: 2026-06-03
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