LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
Ingredients, other than water, added to the molten slag; or to the granulating medium or before remelting; Treatment with gases or gas generating compounds, e.g. to obtain porous slag
