Ground Calcium Carbonate (GCC) is a natural mineral substance derived from limestone, marble, or chalk through a grinding process. It consists of fine white particles with various particle sizes ranging from a few microns to several millimeters. The size and shape of the particles depend on the manufacturing process and application requirements. It is a versatile mineral compound that finds applications in various industries. It is widely used as a filler, extender, and coating agent due to its unique properties.