Natural Calcium Carbonate for Rubber Industries is used in the production of natural and synthetic rubbers and helps to maintain the flexibility and increase resistance to torsion and traction. Jay Minerals supplies Natural Calcium Carbonate for Rubber Industries. Jay Minerals offers industrial grades of calcium carbonate chemicals like micronized calcium carbonate, natural calcium carbonate, natural calcium carbonate powder, calcite powder and coated calcite powder. The Natural Calcium Carbonate improves their mechanic and electric characteristics of the rubber.