... Heavy Calcium Carbonate is used in paper manufacture.It does not only makes the paper more white, but also makes it change ... , Rice paper, Poster, and Atlas.5.BUILDING MATERIALLimestone and the Heavy Calcium Carbonate have been used for building since ancient times. In ... paste, Sausage, Bread, Chewing gum, Juice, Tofu, Cracker and so on. It is added to the Health food for calcium reinforcement, too ...