Chapter 25 · Salt; sulfur; earths and stone; plastering materials, lime and cement
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Siliceous fossil meals (for example, kieselguhr, tripolite and diatomite) and similar siliceous earths, whether or not calcined, of an…
1 line · 2026 HTS Revision 22Lines of 2512
- 2512.00.00.00Siliceous fossil meals (for example, kieselguhr, tripolite and diatomite) and similar siliceous earths, whether or not calcined, of an apparent specific gravity of 1 or lessFree