Calcium carbonate is a white alkaline powder recognized at room temperature as an ultra-fine powder by grinding limestone, and the purity of the limestone, particle size, According to the preparation method, it is divided into heavy calcium carbonate and hard calcium carbonate.

Precipitated calcium carbonate

It is an ultra-fine powder (1㎛) product made from limestone.

Ground calcium carbonate

It is prepared by grinding high hardness hard ground limestone with high degree of white and sorting particles, and usually using a high purity gemstone of CaCO3 (96-98%) It refers to a powder that is finer than 350 mesh (43㎛), and whiteness and uniformity of quality are important, so even in elegant mines, it is important to manage raw materials first because there are differences depending on the mining place.