Calcium Carbonate By Nghe An Mineral Joint Stock Company (Namco)

We are indulged in manufacturing, exporting, trading and supplying Calcium Carbonate in Vinh, Khu Bon Cu, Vietnam.

Chemical compositionsPhysical properties
CaCO3a Y 98.5%pH Value8-9
MgO a 0.16%Moisturea 0.3%
SiO2 a 0.01%Brightness a Y 94 %
Al2O3 a 0.04%Whiteness a Y 96 %
Fe2O3a 0.02% Oil Absorptiona 24ml/100g CaCO3
Na2Oa 0.16% Acid insoluble 0.15%
Particle size (i -m) Specific Gravity2.65A.2.7g/cm3
D50 D97 Loss at 9000Ca Y 42 A. 44 (%)
12 A 22.2 A 0.5 Loss at 1000Ca Y 0.2 A. 0.4 (%)