… ceramic goods (for example, retorts, crucibles, muffles, nozzles, plugs, supports, cupels, tubes, pipes, sheaths, …
Explanatory notes
… ceramic goods (for example, retorts, crucibles, muffles, nozzles, plugs, supports, cupels, tubes, pipes, sheaths, … ) 6903.90 - Other This heading covers all refractory goods not specified or included in the preceding headings. These … Seger cones (ceramic firing testers) (see Explanatory Note to heading 38.24 ); these are not fired after shaping. …