With high purity, high whiteness, fine oil quality is low, low hardness, good compatibility, thermal stability Heavy calcium carbonate iscalcite by a simple machining of the product, it is a good filler andperformance improvers,it is widely used in plastics, rubber, paper, paint,fodder, medicine, daily chemicals, glass, ceramics and other fields.Below 200MUsage: Can be used for a variety of feed ...