Chapter 25 · Salt; sulfur; earths and stone; plastering materials, lime and cement
2508
Other clays (not including expanded clays of heading 6806), andalusite, kyanite and sillimanite, whether or not calcined; mullite; chamotte or dinas earths
9 lines · 2026 HTS Revision 22Lines of 2508
- 2508.10.00.00BentoniteFree
- 2508.30.00.00Fire-clayFree
- 2508.40.01Other claysFree
- 2508.40.01.10Common blue clay and other ball clays
- 2508.40.01.20Decolorizing earths and fuller's earth
- 2508.40.01.50Other
- 2508.50.00.00Andalusite, kyanite and sillimaniteFree
- 2508.60.00.00MulliteFree
- 2508.70.00.00Chamotte or dinas earthFree