Calcite Powder Natural Calcium Carbonate with extremely high whiteness, purity and free flowing in nature is widely used in Thermoplastic application because of its compatibility with polymers and other organic additives.Ground calcium carbonate is a chemical compound with the formula caco3. It is a common substance found in rock as the mineral calcite is most notably known as limestone. The product has exceptionally high whiteness, facility in hand processing and pre-flowing characteristics.The characteristic of higher loading it offers outstanding whiteness and controlled particle size distribution to ensure better dispersion and excellent physical properties.