Section 05 MINERAL PRODUCTS 25 SALT;SULPHUR;EARTHS AND STONE;PLASTERING MINERALS, LIME AND CEMENT 25 17 HEAT-TREATED. 25 17 20 MACADAM OF SLAG, DROSS OR SIMILAR INDUSTRIAL WASTE, WHETHER OR NOT Commodity Code Description 25 17 20 00 MACADAM OF SLAG, DROSS OR SIMILAR INDUSTRIAL WASTE, WHETHER OR NOT