Chemical products for use in industry, industrial chemicals based on calcium carbonate, magnesium carbonate, dolomite, calcium oxide, magnesium oxide, dolomitic lime, calcium hydroxide, magnesium hydroxide, hydrated dolime, milk of lime and dolime, calcium and magnesium salts and mixtures out of the above mentioned materials; chemical products for metallurgical processes with mineral additive, chemical products for metallurgical processes with artificial additives and chemical products for me...