Calcium carbonates are supplied in all particle sizes, from a few microns up to 300 millimetres.
Pure calcium carbonate and pure dolomite (double carbonate of calcium and magnesium) are important raw materials, processed into products ground into fine particle sizes and micrometric powder.
The fillers are used in many formulations. The fine granules are used in the glass industry, in bituminous conglomerates, in concrete manufacturing, etc. Aggregates are produced in various sizes for the production of concrete, bituminous conglomerates, masonry plaster and mortar and for the construction of road sub-foundations.