High Brightness Grades Calcium Carbonate is the product of Sharda Enterprise. The company Sharda Enterprise is the distributor of specialty chemicals and additives like inorganic flame retardants such as Aluminium hydroxide, magnesium hydroxide, organoclay gellants, calcined china clays and graphite. High Brightness Grades Calcium Carbonate is available as Ultrafine. The high brightness grades of the High Brightness Grades Calcium Carbonate are used for plastics, rubber, powder coatings and special polymer films.