Heavy calcium carbonate powder (GCC)
1. Chemical analysis (%) :
CaCo3 >  98.5
Fe2O3 <  0.1
Al2O3  <  0.1
MgO    <  0.2
SiO2    <  0,1
TiO2    <  0.01
Na2O   <  0.1
K2O     <  0.1
CuO     <  0.01
Pb       <  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 ? 9.5

Precipitated 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/cm3
PH value (Hana pH 211) :  <8.5