|
GRADE |
PROPERTIES |
KC - 1 |
KC - 2 |
KC - 3 |
KC - 4 |
KC - 5 |
KC - 6 |
KC - 11 |
KC - 1 Super |
KC - E1 |
APPLICATION INDUSTRY |
COSMETIC, PAINT, TYRE-TUBE, FLOOR MATS, PRINTING INK, |
FOOD, PAPER, PVC COMPOUNDING |
CONDUIT PIPE & ADHESIVE- SEALANT |
RIGID PVC PIPE & ADHESIVE- SEALANT |
TOOTH PASTE, PHARMA, FOOD, COSMETIC |
FOOD |
FOOD, PHARMA, PAPER, PVC COMPOUNDING, PAINT |
CONVEYOR BELTS |
SLIPPER SOLES |
Apparant Density (gm/ml) |
0.45 - 0.50 |
0.46 - 0.51 |
0.74 - 0.83 |
0.68 - 0.80 |
0.70 - 0.85 |
0.86 - 1.00 |
0.45 - 0.50 |
0.36 - 0.39 |
0.47-0.52 |
Surface Area by Nitrogen Absorption M2/g |
5 - 7 |
13 - 15 |
3 - 5 |
4 - 6 |
1.5 - 2.5 |
1.0 - 1.5 |
15 - 20 |
7 - 9 |
4.5 - 6.5 |
Specific Surface Diameter (micron) |
0.33 |
0.16 |
0.45 |
0.40 |
1.4 |
1.6 |
0.11 |
0.30 |
0.38 |
Particle Size Medium Diameter D50 |
5 - 6 |
4 - 6 |
6 - 8 |
5.5 - 6.5 |
7 - 9 |
9 - 11 |
4 - 6 |
4 - 5 |
5 - 6.5 |
Flow Point (ml/15 gm) |
23 - 26 |
24 - 27 |
12 - 15 |
14 - 18 |
12 - 16 |
9 - 12 |
25 - 28 |
29 - 32 |
22 - 24 |
Fineness % (through 45 micron min) |
99.40 |
99.70 |
99.50 |
99.50 |
99.70 |
99.70 |
99.70 |
99.40 |
99.70 |
DOP Absorption (gm/100gm) |
50 - 60 |
60 - 75 |
35-45 |
40-50 |
35-45 |
30-40 |
65 - 80 |
55 - 65 |
40 - 50 |
Crystalline Habit |
Aragonite |
Semi- Calcite |
Calcite |
Semi- Calcite |
Aragonite |
Aragonite |
Calcite |
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% |
|