Calcium carbonate; calcium carbonate for use in the manufacture of sealants; calcium carbonate for use in the manufacture of plastics; calcium carbonate for use in the manufacture of rubber; calcium carbonate for use in the manufacture of paper; calcium carbonate for use in the manufacture of paints; calcium carbonate for use in the manufacture of inks; calcium carbonate for use in the manufacture of industrial chemicals; calcium carbonate for use in the manufacture of industrial adhesives; c...