Section 05 MINERAL PRODUCTS 25 Salt; sulphur; earths and stone; plastering materials, lime and cement 25 12 Siliceous fossil meals (for example, kieselguhr, tripolite and diatomite) and si 25 12 00 25 12 00 00 Commodity Code Description 25 12 00 00 00 Siliceous fossil meals (for example, kieselguhr, tripolite and diatomite) and similar si