Cookie Img
Product Specifications

TYPICAL PHYSICAL DATA
These grades of precipitated calcium carbonate are fine white powder of Aragoniticstructure
with different particle size distribution and apparent densities.
Properties KC-1
Super
KC-E1 KC-1 KC-3 KC-4 KC-5 KC-6

Extra light Medium Light Medium Medium Dense Extra Dense
Apparant Dernsity (gm/ml) 0.36-0.39 0.45-0.55 0.40-0.45 0.60-0.71 0.55-0.64 0.70-0.85 0.86-1.00
Surface Area by
Nitrogen Absorption
M2/g
7-9 4.5-6.5 5-7 3-5 4-6 1.5-2.5 1.0-1.5
Specific Surface Diameter (micron) 0.3 0.38 0.33 0.45 0.4 1.4 1.6
Particle Size Medium Diameter D50 4-5 5.5-6.0 5-6 8-8.5 5.5-6.5 9-11 11-13
Flow Point (ml/15 gm) 29-32 22-24 25-28 16-19 18-22 13-16 10-13
Fineness %
(through 45 micron min)
99.4 99.7 99.4 99.5 99.5 99.7 99.7
Crystalline Habit Aragonite Aragonite Aragonite Aragonite Aragonite Aragonite Aragonite

CHEMICAL ANALYSIS
Typical chemical analysis of all KC grades of precipitated calcium carbonate
Properties Values Properties Values
Colour Bright white Arsenic (as As) Less than 2Ppm
Specific gravity 2.65-2.75 Chloride (as Cl) Traces
Solution in 5N HCL Clear Floride (as F) Traces
Soluble Alkaki (Na2O) max 0.15% Phosphate (as PO4) max. 0.10%
PH 9.3-10.3 Sulphate (as SO4) max. 0.16%
Loss on Drying (at 105 c) 0.5-0.8 Silica (SIO2) max. 0.05%
Iron (as Fe) max 0.02% Matter insoluble in 0.10%
Manganese (as Mn) max 0.00% Hydrochloric acid max. 0.50%
Lead (as Pb) max 5Ppm Magnesia (as MgO) max. 0.05%
Copper (as Cu) Negligible Calcium Carbonate (Min) 98.50%

TYPICAL PHYSICAL DATA
These grades of precipitated calcium carbonate are pure white ultra fine powder with smother
texture and calicite structure having high oapacity.
Properties KC-11 KC-2
Apparant Density (gm/ml) 0.42-0.47 0.40-0.45
Surface Area by Nitrogen Absorption M2/g 20-23 13-15 
Specific Surface Diameter (um) 0.11 0.16
DOP Absorption (gm/100gm) 65-80 60-75
Fineness % (through 45 micron min) 99.7 99.7
Crystalline Habit Calcite Semi-Calcite

TYPICAL MICROBIOLOGICAL SPECIFICATIONS FOR DENTIFRICE AND PHARMA GRADES
Parameter Results (As per STD)
Total Bacterial Counts (Aerobic) <500 CFU/gm
Total Fungal Counts (Aerobic) <500 CFU/gm
Staphylococcus Aureus Negative to tests
Gram negative Bacilli) Negative to tests