HS code 6903: Refractory Ceramic Goods
- Covers:
- Other refractory ceramic goods (for example, retorts, crucibles, muffles, nozzles, plugs… (3 subcodes below).
- Not covered:
- 6901 (Bricks, blocks, tiles and other ceramic goods of…); 6902 (Refractory bricks, blocks, tiles and similar…); 6904 (Ceramic building bricks, flooring blocks…); and others.
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
Find or check your HS code
Suggestions from the HS index, not a customs ruling
Describe what you ship: what it is, what it is made of, how it is processed and what it is used for. I narrow it down against the real HS hierarchy, or check a code you were given.
What 6903 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.
This is the “other” line of heading . It takes goods of that heading that no more specific subheading names. These go elsewhere:
Subheadings
Common questions
- What is HS code 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
- What does 6903 include?
- It covers 3 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.
Browse all of Chapter 69: Ceramic products →
Go beyond the code
Find the companies shipping under 6903 in the company directory, or classify and check duty with the CLI.