... 2.best price 3.chemical auxiliary agents Coated Calcium Carbonate(Treated Calcium Carbonate)Item12345CaCO3 %98.598.598.598.598.5PH value(10 ... production index according to customer special requirement for specification.ApplicationCalcium Carbonate is used as filler, It is widely used in plastic ... ink, coating, cable rope and building materials, ect. coated calcium carbonate