Section 05 MINERAL PRODUCTS 25 Salt; sulphur; earths and stone; plastering materials, lime and cement 25 30 Mineral substances not elsewhere specified or included. 25 30 10 25 30 10 00 Commodity Code Description 25 30 10 00 00 - Vermiculite, perlite and chlorites, unexpanded 25 30 20 00 00 - Kieserite, epsomite (natural magnesium sulphates)