Section XIII — Articles of stone, plaster, cement, asbestos, mica or similar materials; ceramic products; glass and glassware
Chapter 69 — Ceramic products
Heading 6903 — Other refractory ceramic goods (for example, retorts, crucibles, muffles, nozzles, plugs, supports, cupels, tubes, pipes, sheaths and rods), other than those of siliceous fossil meals or of similar siliceous earths.
Subheading 6903.20 — Containing by weight more than 50% of alumina (Al2O3) or of a mixture or compound of alumina and of silica (SiO2)
HS code
6903.20.90 Other refractory goods, contn >50% alumina or mixure, excl crucibles
Last Verified Date - 1 October 2026
Common commodities
High-alumina ceramic retortsAlumina-silica mufflesMullite nozzles with >50% Al2O3Refractory alumina supportsHeat-resistant alumina pipesAlumina-rich refractory tubesSintered alumina pipe fittingsAlumina-silicate ceramic supportsHigh-alumina refractory mouldsAluminous-silicate heat resistant nozzles