1. Within 200 mesh: it can be used for various feed additives, with calcium content of more than 55.6, without harmful ingredients.

2. 250 mesh to 300 mesh: used as raw materials for plastic factory, rubber factory, coating factory, waterproof material factory and interior and exterior wall painting. The whiteness is above 85 degrees.

3. 350 mesh to 400 mesh: used for gusset plate, downpipe, chemical industry. The whiteness is above 93 degrees.

4. 400 mesh to 600 mesh: can be used for toothpaste paste, soap. The whiteness is above 94 degrees

5. 800 mesh: used for rubber, plastic, cable, PVC, whiteness above 94 ℃

6. 1250 mesh: PVC, PE, paint, coating grade products, paper base coating, paper surface coating, whiteness above 95 degrees. With high purity, high whiteness, non-toxic, odorless, low oil quality, low hardness.

7. Calcium carbonate can be used as a calcium supplement: the absorption rate can reach 39%, second only to calcium fructate, which is soluble in gastric acid, and has become a calcium supplement with many dosage forms and applications.

8. It can also be used to make carbon dioxide in the laboratory.