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 2508.50 — Andalusite, kyanite and sillimanite
HS code
2508.50.00 Andalusite, kyanite and sillimanite
Last Verified Date - 1 October 2026
Common commodities
Refractory grade Andalusite oreRaw Kyanite crystals for high-temperature applicationsUnprocessed Sillimanite stonesNatural Aluminosilicate minerals for ceramicsAndalusite mineral concentrate for cruciblesSintered Kyanite blocks for furnace liningsRaw Sillimanite powder for insulationHigh-purity Andalusite for heat-resistant materialsNatural Aluminosilicate minerals in lump formKyanite stones, untreated and uncalcined