calcium carbonate for Plastic Film

fine heavy active calcium carbonate is widely used in plastic films industry (especially,PP and PE) with surface coated as a strength complement. With increasingsome quantity of the fillers, the intensity of plastic product will be increasedand also reduce the finished products cost. This product could take a role ofventilation in plastic products and make them lucid.    Product types:   fine active heavy calcium carbonate and extra-fine nano calcium carbonate