Precipitated calcium carbonate 
 Limestone as raw material, and can be used for tooth powder, toothpaste, cosmetics and other household chemical products, also can be used in organic synthesis, metallurgy, glass and asbestos production. 
 Main content (CaCo3)% 97.0 
 PH value (10% suspension) 9.4 
 105 ℃ for 0.18% volatile matter content 
 Sedimentation volume m1 / g 2.6 
 Residue: 125um all pass test sieve% 
 Residue: 45um sieve 0.09% 
 Whiteness 92