… Other refractory ceramic goods (for example, retorts, crucibles, muffles, nozzles, …
Explanatory notes
… 69.03 - Other refractory ceramic goods (for example, retorts, crucibles, muffles, nozzles, … (SiO 2 ) 6903.90 - Other This heading covers all refractory goods not specified or included in the preceding headings. … during firing; sheaths and rods; stands for crucibles; ingot moulds; slide gates, rollers, blanks, forming tools, …