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 |
|