The factory is equipped with a ‘state of the
art’ laboratory. A team of highly qualified
professionals work 24x7 who carry out quality
tests and analysis of raw materials, work in
process and finished products, to ensure the
products are of the highest quality.
The Research and Development team has developed
cost effective inputs to meet process parameters.
Regular analysis of cement samples is conducted
in-house. By using XRF and instrumental methods. Samples are also sent to independent
quality analysts for inspections and to establish
quality standards.
Product wise Quality Parameters
Test
Physical Properties
Anjani
43 GRADE
IS 8112:1989 OPC - 43
Anjani
53 GRADE
IS 12269:1987 OPC - 53
Anjani PPC Gold
IS 1489
(Part - 1):1991
- PPC
Fineness
Specific
surface (m /Kg)
275
> 225
290
> 225
330
>300
Soundness
Lechatlier Method (m.m.)
1.0
< 10
1.0
< 10
1.0
< 10
Auto clave (%)
0.04
< 0.8
0.03
< 0.8
0.02
< 0.8
Setting time
Initial
minutes
110
> 30
100
> 30
110
> 30
Final
minutes
230
< 600
210
< 600
260
< 600
Compressive
strength Mpa
3 days
30
> 23
33
> 27
20
> 16
7 days
40
> 33
43
> 37
30
> 22
28 days
50
> 43
58
> 53
40
> 33
Chemical requirements
Loss on
ignition (%)
2.0
< 5
1.3
< 4.0
1.7
< 5
Insoluble
residue (%)
4.5
< 5
4.0
< 5.0
-27
15 - 35
Magnesium
Oxide (%)
1.3
< 6
0.8
< 6
1.0
< 6
Lime
saturation factor
0.87
0.66 -
1.02
0.90
0.8 -
1.02
Alumina
Iron Ratio
1.0
< 0.66
1.05
< 0.66
Sulphuric
Anhydride (%)
2.1
< 3.00
2.1
< 3.00
2.0
< 3
Alkalies
(%)
0.54
0.52
0.45
Chlorides
(%)
0.02
< 0.1
0.01
< 0.1
0.01
< 0.1
Declared
% of fly ash used
25 - 27
4.0(100-X)
Not more than - X+——————, X = Declared % of Fly ash. %
will not vary more than +3.0%
