Chapter 25 · Salt; sulfur; earths and stone; plastering materials, lime and cement

2528

Natural borates and concentrates thereof (whether or not calcined), but not including borates separated from natural brine; natural boric…

4 lines · 2026 HTS Revision 22

Lines of 2528

  1. 2528.00.00Natural borates and concentrates thereof (whether or not calcined), but not including borates separated from natural brine; natural boric acid containing not more than 85 percent of H3BO3 calculated on the dry weightFree
  2. 2528.00.00.05Natural sodium borates and concentrates thereof (whether or not calcined)
  3. 2528.00.00.10Natural calcium borates
  4. 2528.00.00.50Other