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GCC Technical Data Sheet

Product Name / Reference:
Ground Calcium Carbonate

Main Intended Use:
Calcium supplement,  Paint additive, Pharmaceutical Formulations and Tabletting

Chemical Description:

Compound ElementChemical FormulaTypical Content
 Calcium Carbonate CaCO3 99.60%
 Silicon Dioxide SiO2 0.02%
 Iron Oxide Fe2O3 0.005%
 Aluminium Oxide Al2O3 0.005%
 Magnesium Carbonate MgCO3 0.33%


Cu< 2 ppm
Cd< 0.7 ppm
Zn< 5 ppm
Pb< 0.5 ppm
Cr< 5 ppm
Mn< 10 ppm
S< 60 ppm


Loss on Ignition(DIN 55918)43.85%
Moisture(ISO 787-2)0.10%
Soluble in H2O(DIN 55918)0.05%
Insoluble in HCL(DIN 55918)0.20%

Physical Properties

  • Bulk Density 0.80 g/cm3
  • Specific Gravity 2.71 g/cm3
  • Whiteness 97.3
  • Refractory Index 1.59
  • Specific Surface 2.0 m2/g

Sizes Available

Graded50Top Cut
M/11.3 microns4.8 microns
Puro Ph M/11.3 microns4.8 microns
M/23.0 microns10 microns
V/40S6.0 microns30 microns
Puro Ph V/40S6.0 microns30 microns
V/406.5 microns40 microns
V/100170 microns500 microns

(Other coarser grades available on request)


Packed in 25kg paper valve sacks and 1000kg IBC big bags

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