Mined from quarries in Ha Nam – Phu Ly, Calcium Carbonate stone is then classified into different types of various qualities, serving different industries. CaCO3 with high whiteness level is selected to be processed into raw materials for paper, paint and putty, coasting factories, etc. The quarries with lower whiteness are commonly utilized in the production processes of ceramics and cement, resin and plastic, PVC, uPVC.
Specifications for reference:
Shift: 38.7% | Fe2O3 < 0.01%
SiO2: 0.21% | CaO: 54.2%
Al2O3: 0.17% | MgO: 1.55%
CaCO3 : 96.7%
Grain size: produced according to the requirements of each customer