Ground Calcium Carbonate (GCC) - NCSU
Mini-Encyclopedia of Papermaking Wet-End Chemistry Additives and Ingredients, their Composition, Functions, Strategies for Use. GROUND CALCIUM CARBONATE (GCC). Composition: When papermakers use the term "GCC" they are usually referring to ground limestone, a calcium carbonate material having the calcite crystal structure. It is possible that they might be referring to a type of …