Definition:
It is Portland Cement with sulfates resisting sulfates properties that hardens into solid a mass when combined with water. It is resulted from pulverizing and softening of clinker formed by burning a mixture of homogenized limy materials and clay materials containing Silica, Alumina, Sulfur Oxides, and adding gypsum during pulverizing.
Usage:
In all building, constructions and concrete casting.
CHEMICAL ANALYSIS:
| TYPE | UNIT (%) | VALUE |
|---|
| MAGNESIUM OXIDE - MgO | WT | <=5 |
| SULFUR TRIOXIDE - SO3 | WT | <=2.5 |
TRI CALCUIM ALUMINATE - C3A
| WT | <=5 |
| LOSS ON IGNITION - L.O.I | WT | <=4 |
| INSOLUBLE RESIDE - I. R | WT | <=1.5 |
| C3AF+2(C3A) | WT | <=2.5 |
PHYSICAL TESTS:
| TEST | UNIT | VALUE |
|---|
| INITIAL SETTING TIME | Minute | >=45 |
| FINAL SETTING TIME | Hour | <=8 |
| SPECIFIC SURFACE AREA "FINENESS" | Cm2/g | >=2500 |
| SOUNDNESS Le Chatller | mm | <=10 |
PRESSURE RESISTANCE:
| DAYS | UNIT | VALUE * | VALUE ** |
|---|
| 3 | MPa | >=12 | >= 26 |
| 7 | MPa | >=22 | >= 38 |
| 28 | MPa | >=30 | >= 57
|
*As per Saudi Arabian Standards Organizations No. SSA 143/1979
**Average Specifications of Yamama cement
Notice : The information and data contained herein are believed to be correct and give in good faith , but because of the many particular factors which are outside our knowledge and control and affect the use of product , no warranty is given or is to be implied with respect to such information , nor do we offer any warranty of immunity against infringement.
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