ground calcium carbonate 1.white powder 2.odorless 3.density 2.45-2. ... dispersible nature and rheological property. Applications and Usages: Our heavy calcium carbonate widely uses in papermaking,coating,plastic,rubber,cosmetics and so ... dispersible nature and rheological property. Applications and Usages: Our heavy calcium carbonate widely uses in papermaking,coating,plastic,rubber,cosmetics and so ...