|
|
|
![]() |
| Products
1. Ordinary Portland Cement. 2. Sulphate resistant Portland cement
|
|
Chemical requirements |
EUROPEAN STANDARD 32.5ENV197-1 |
EUROPEAN STANDARD 42.5ENV197-1 |
IRAQI STANDARD 5/1984 |
|
In. Residue. |
Less than 5% |
Less than 5% |
Less than 1.5% |
|
MgO |
Less than 5% |
Less than 5% |
Less than 5% |
|
SO3 |
Less than 3.5% |
Less than 3.5% |
Less than 5% |
|
L.O.I |
Less than 5% |
Less than 5% |
Less than 4% |
|
CL |
Less than 0.1% |
Less than 0.1% |
Not limited |
|
LSF |
Not limited |
Not limited |
0.66-1.02 |
|
CaO+SiO2 |
Equil or more 50 |
Equil or more 50 |
Not limited |
|
CaO/SiO2 |
More than2 |
More than2 |
Not limited |
|
C2S+C3S |
More than66% |
More than66% |
Not limited |
Physical requirements |
|||
|
BLAINE |
Not limited |
Not limited |
230 M2/KG |
|
Set Time initial |
Min 60 min |
Min 60 min |
Min 45 min |
Set. Time final |
Not limited |
Not limited |
Max 10 hr |
|
Le chat exp. |
Max 10 mm |
Max 10 mm |
Not limited |
|
Autocl. exp. |
Not limited |
Not limited |
Max 0.8 % |
compressive strength requiremenes |
|
Testing method |
EN196-1 KN/MM2 |
EN196-1 KN/MM2 |
ES 4550 KN/MM2 |
|
After 2 days |
Not limited |
More than 10 |
Not limited |
|
After 3 days |
Not limited |
Not limited |
More than 15 |
|
After 7days |
More than 16 |
Not limited |
More than 23 |
|
After 28 days |
>/=32.5</=52.5 |
>/=42.5</=62.5 |
Not limited |
|
Add.% max with clinker |
5 |
5 |
Nothing but gypsum |