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690390Chapter 69

HS code 690390: Refractory Ceramic Goods

Covers:
Other refractory ceramic goods (for example, retorts, crucibles, muffles, nozzles, plugs… not listed under the other codes in this heading.
Not covered:
690310 (Containing, by weight, more than 50 % of free…); 690320 (Containing, by weight, more than 50 % of alumina…).
Listed US duty:
0% (US general rate, HTS 2026)

Official 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 : Other

Find or check your HS code

Suggestions from the HS index, not a customs ruling

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What 690390 covers and what it doesn’t

Official text: 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 › Other.

This is the “other” line of heading 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). It takes goods of that heading that no more specific subheading names. These go elsewhere:

  • 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)

Nearby codes to check

  • Heading 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: every subheading side by side.

US duty rate

0%

General (MFN) rate in the US Harmonized Tariff Schedule, 2026 edition. A range means the rate depends on the 8-digit US line your product falls under. Extra duties such as Section 301, Section 232 or anti-dumping orders can apply on top, depending on origin. Check the lines on hts.usitc.gov. Not legal advice.

Who imports under 690390

EximAgent lists companies with recorded shipments under this code, built from customs records, with who they buy from and how often. See importers of 690390 →

Common questions

What is HS code 690390?
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 : Other
What duty rates apply to 690390?
Listed duty rates range from 0% across 1 country rate.

Browse all of Chapter 69: Ceramic products →

Go beyond the code

Classify a product and check the duty for your destination with the CLI, then keep researching in your own agent.

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