|
|
|
|
|
|
Comparative
Compressive Strength of Vasavadatta
Super-43 |
|
Compressive
Strength
|
OPC
43 – Grade
IS 8112:1989 |
Vasavadatta
Super
|
|
3
days Mpa |
Min
23 |
30
– 34 |
|
7
days Mpa |
Min
33 |
40
– 44 |
|
28
days Mpa |
Min
43 |
54
- 58 |
|
|
|
|
|
|
|
|
|
|
|
|
Physical
Characteristics of Vasavadatta
Super-43 |
|
|
OPC
43 – Grade
IS 8112:1989 |
Vasavadatta
Super
|
|
Setting time (minutes)
a)
Initial
b)
Final |
Min. 30
Max. 600
|
150 – 195
220 - 300
|
|
Fineness M2/Kg |
Min
255 |
250
- 290 |
|
Soundness
a)
Le-chat Exp (MM)
b)
Auto Clave Exp. % |
Max. 10.0
Max. 0.8
|
Max. 1.0
Max. 0.20 |
|
|
|
|
|
|
|
|
|
|
|
|
Chemical
Characteristics of Vasavadatta
Super-43
|
|
|
OPC
43 – Grade
IS 8112:1989 |
Vasavadatta
Super |
|
Loss on Ignition % |
Max
5.0 |
Less
than 1.5
|
|
Insoluble residue % |
Max
3.0 |
Less
than 1.0 |
|
Magnesium Oxide %
|
Max
6.0 |
Less
than1.2
|
|
Lime Saturation Factor |
0.66
– 1.02 |
Min.
0.86
|
|
Alumina : Iron Ratio |
Min
0.66 |
Min.
1.1
|
|
Sulphuric Anhydride % |
Max.
2.5/3.0 (depending upon % C3A) |
Less
than 2.0 |
|
Alkalies
|
|
Max
0.4 |
|
Chlorides
|
Max.
0.05 |
Max.
0.02
|
|
|
|
|
Back |
|