Section 05 MINERAL PRODUCTS 25 SALT;SULPHUR;EARTHS AND STONE;PLASTERING MINERALS, LIME AND CEMENT 25 30 MINERAL SUBSTANCES NOT ELSEWHERE SPECIFIED OR INCLUED . 25 30 20 KIESERITE, EPSOMITE (NATURAL MAGNESIUM SULPHATES) Commodity Code Description 25 30 20 00 KIESERITE, EPSOMITE (NATURAL MAGNESIUM SULPHATES)