Heavy calcium carbonate powder (GCC)1. Chemical analysis (%) :CaCo3 > 98.5Fe2O3 < 0.1Al2O3 < 0.1MgO < 0.2SiO2 < 0,1TiO2 < 0.01Na2O < 0.1K2O < 0.1CuO < 0.01Pb < 10-6 2. Physical Properties :- Whiteness (Konica Minolta CR 410) > 97 % (Up)- Brightness: > 96 %- Moisture Content (AND ML 50) < 0.2 %- DOP oil absorption : = 37ml/100g CaCo3- Residuc on (325 mesh) : = 0,02 (max)- Composition loss during burning < 43.8 %- Density : = 2.7 g/cm3- Specifie Surface Area : = 2.75m2/g- PH value (Hana pH 211) : 8.5 ? 9.5Precipitated calcium carbonate powder (PCC)CaCo3 > 98.5%.Fe2O3 < 0.05%.CaO < 0.0056%.Whiteness (Konica Minolta CR 410) > 95 % (Up)Moisture Content < 0.35%.DOP oil absorption = 122ml/100g CaCo3.Residuc on (125 mesh) = 100%.Insoluble residue in HCL < 0.002%.Density = 0.26/cm3PH value (Hana pH 211) : < 8.5
