Calcium carbonate is used as raw material for building materials, ceramics, glass, lime, cement, etc; It is also used to make chalk, putty, artificial stone, filler, pigment, neutralizer and polishing agent; Sugar clarifier; Ultrafine calcium carbonate can be used in medicine. Light calcium carbonate is mainly used in paper industry, interior decoration materials, handicrafts and medicine. Calcium carbonate is an inorganic compound, commonly known as limestone, limestone, stone powder, marble, etc. Calcium carbonate is alkaline, basically insoluble in water and soluble in hydrochloric acid. It is one of the common substances on the earth. It exists in aragonite, calcite, chalk, limestone, marble, travertine and other rocks. It is also the main component of animal bones or shells. Calcium carbonate is also an important building material, which is widely used in industry. Calcium carbonate is used as raw material for building materials, ceramics, glass, lime, cement, etc; It is also used to make chalk, putty, artificial stone, filler, pigment, neutralizer and polishing agent; Sugar clarifier; Ultrafine calcium carbonate can be used in medicine. Light calcium carbonate is mainly used in paper industry, interior decoration materials, handicrafts and medicine.