Ground Calcium Carbonate
We offer Ground Calcium Carbonate lumps with the following properties:
MINERAL COMPOSITION
Calcite: 98%
Dolomite: 1%
Quartz: 1%
CHEMICAL COMPOSITION
CaO=54,9%, MgO=0,25%, SiO2=0,06%, Fe2O3=0,14%, Al2O3=0,40%, K2O=0,04%, Na2O=0,07%, MnO=0,02%, CO2=43,20%.
PHYSICAL – MECHANICAL PROPERTIES
Apparent density=2714kg/m3(ASTM C-97)
Water absorption coefficient=0,02%wt (ASTM C-97)
COMPRESSIVE RESISTANCE-WET CONDITION=110MPa (ASTM C-170)
FLEXURAL RESISTANCE-WET CONDITION = 21 MPa (ASTM C-99)
Frictional Wear=6,69mm (DN 52108-20 Cycles).
Knoop Microhardness=134,1kg/mm2
Dimensions: 0-4μm
EC / List no.: 207-439-9
CAS no.: 471-34-1
HS: 283650