Section 05 Mineral products 25 Salt, sulphur; earths and stone; plastering materials, lirne and cement 25 20 Gypsum; anhydrite; plasters 25 20 10 Gypsum; anhydrite 25 20 10 00 Gypsum; anhydrite Commodity Code Description 25 20 10 00 00 Gypsum; anhydrite