Section 05 Mineral products 25 Salt, sulphur; earths and stone; plastering materials, lirne and cement 25 08 Other clays (not including expanded clays of heading 68.06), andalusite, kyanite and 25 08 40 Other clays, nes 25 08 40 00 Other clays, nes Commodity Code Description 25 08 40 00 00 Other clays, nes