Section V — Mineral products
Chapter 25 — Salt; sulfur; earths and stone; plastering materials, lime and cement
Heading 2508 — Other clays (not including expande d clays of heading 68.06), andalusite, kyanite and sillimanite, whether or not calcined; mullite; chamotte or dinas earths.
Subheading 2508.60 — Mullite
HS code
2508.60.00 Mullite
Last Verified Date - 1 October 2026
Common commodities
High purity Mullite ceramic powderMixed Mullite crystals for refractoriesSintered Mullite blocks for heat resistanceMullite crucibles for laboratory useRefractory grade Mullite granulesMullite fiber for insulationMullite tiles for high-temperature applicationsMullite monolithic shapes for kilnsMullite pellets for advanced refractoriesMullite powders for ceramic manufacturing