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Product Information And Specification |
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TYPICAL
CHEMICAL ANALYSIS
OF VICAL GRADES |
| Colour |
White |
| Solution
in Hydrolic
Acid (5N) |
Clear |
| Soluble
Alkali (as Na2O) |
0.20%max. |
| pH |
9.5
- 10.0 |
| Iron
as Fe |
0.02%
max. |
| Manganese
as Mn |
Traces |
| Phosphate as PO4 |
Traces |
| Chlorides
as Cl |
Traces |
| Lead
as Pb |
Traces |
| Copper
as Cu |
Traces |
| Arsenic
as As |
Traces |
| Sulphate
as SO4 |
0.1%
max. |
| Magnesia
as MgO |
0.5%
max. |
| Silica
as SiO2 |
0.1%
max. |
| Aluminium,
Iron, Phosphate
and matter
Insoluble in
Hydrolic Acid |
0.5%
max. |
| Calcium
Carbonate |
98.5%
min. |
| Specific
Gravity |
2.60
- 2.70 |
| Loss
on Drying at
105°C ±
5°C |
0.5%
max. |
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| VICAL
GRADES OF CALCIUM
CARBONATE ARE
ULTRAFINE PURE
WHITE POWDER,
WITH CALCITE
STRUCTURE AND
ARE AVAILABLE
BOTH IN UNCOATED
AND COATED VARIETIES. |
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| VICAL-D
IS UNCOATED
PRECIPITED GRADE.
VICAL-S
AND VICAL-S1
ARE SURFACE
COATED WITH
STEARIC ACID.
VICAL-C
IS SURFACE COATED
WITH TITANATE
COUPLING AGENT. |
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GRADE |
A.C.C. |
P.C.C. |
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VICAL-C |
VICAL-S |
VICAL-S1 |
VICAL-D |
| Bulk
Density |
0.55
- 0.60 |
0.60
- 0.65 |
0.55
- 0.60 |
0.50
- 0.60 |
| D.O.P.
Absorption
(gm/100
gm.) |
45
- 55 |
40
- 50 |
40
- 50 |
50
- 60 |
| Flow
Point |
- |
- |
- |
18
- 22 |
| Average
Particle
Size (Micron) |
3
- 4 |
3
- 4 |
3
- 4 |
2
- 3 |
| Surface
Area by
Nitrogen
Absorption
(M2/gm) |
18
- 20 |
18
- 20 |
15
- 20 |
17
- 19 |
| Specific
Surface
Diameter
from surface
area
(Micron) |
0.12 |
0.10 |
0.12 |
0.10 |
| Coating
(In Percentage) |
0.7
- 1.0%
Titanate |
2.7
- 3.0%
Stearate |
1.5
- 2.0%
Stearate |
- |
| Crystal
Structure |
Calcitic |
Calcitic |
Calcitic |
Calcitic |
| Fineness-Residue
on 75
Micron
IS Sieve
(200
mesh)%
by
Weight |
0.1 |
0.1 |
0.1 |
0.1 |
| Brightness
(Hunter) |
97
- 100 |
97-100 |
97
- 100 |
97
- 100 |
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TYPICAL
PARTICLE
SIZE
DISTRIBUTION
OF
VICAL
GRADES
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Particle
Size
Analysis
-
Laser
Particle
Size
.
Malvern
Instruments
Ltd.
Malvern
U.K.
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