|
|
|
|
|
|
Comparative
Compressive Strength of Vasavadatta
Gold-53 |
|
Compressive
Strength
|
OPC
53 – Grade
IS 12269 - 87 |
Vasavadatta Gold |
|
3
days Mpa
|
Min
27
|
38
– 42 |
|
7
days Mpa
|
Min
37
|
48
– 52 |
|
28
days Mpa
|
Min
53
|
62
- 66 |
|
|
|
|
|
|
|
|
|
|
|
|
Physical
Characteristics of Vasavadatta
Gold-53 |
|
OPC
53 – Grade
|
IS
12269 – 87
Setting time
(Minutes) |
Vasavadatta Gold
|
|
Setting time (minutes)
a)
Initial
b)
Final
|
Min. 30
Max. 600
|
140 – 190
200 - 280 |
|
Fineness M2/Kg
|
Min 225
|
290
- 320 |
|
Soundness
a)
Le-chat Exp (MM)
b)
Auto Clave Exp. %
|
Max. 10.0
Max. 0.80
|
Max. 1.0
Max. 0.15
|
|
|
|
|
|
|
|
|
|
|
|
|
Chemical
Characteristics of Vasavadatta
Gold-53 |
|
|
OPC
43 – Grade
IS
12269 – 87 |
Vasavadatta Gold
|
|
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 |
0.80
– 1.02
|
Min.
0.88 |
|
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 |
|