1, the classification of fine calcium carbonate: there are ordinary ultra-fine calcium carbonate and active ultra-fine calcium carbonate, ultra-fine active calcium carbonate is the surface of the emulsifier and surface treatment agent treatment of ultra-fine calcium carbonate.

2, the particle size includes: 0.01~0.08μm

3, its specific surface area: 10~70㎡/g

4, appearance: white fine powder

5. Taste: Tasteless

6, solubility: almost insoluble in water, insoluble in alcohol