It is composite grey cement, which has the advantage of using in general construction purposes.
Standard Specification
It is produced according to the Egyptian Standard Specification ES 4756 / 1-2007 & complies with the European Norms EN 197 / 1-2000.
Physical and Mechanical Properties
Cement Standard Specifications Limits
Property
Tourah Cement
Standard Specification Limits
Finenss (Blain)
3851 cm2/gm
-
Setting Time (Initial) min
200
75
Expansion mm
1
10 max
Compressive Strength 2D
-
-
Compressive Strength 7D
25 N/mm2
16
Compressive Strength 28D
36.8 N/mm2
32.5 min
Chemical Properties
Cement Standard Specifications Limits
Property
CEM | 42.5 N Type
CEM | 42.5 R Type
Loss on lgnition
2.16 %
5 %
Insoluble Residue
1.2 %
5 %
Sulphate (SO3)
2.2 %
4 %
Chloride Content (Cl)
0.074
0.1
Practical Main Application
This cement is suitable for general construction purposes, as well as:
• General Concrete Works.
• Reinforced & Ordinary Concrete.
• Massive Concrete Works.
• Buildings, Tanks, Reservoirs & Culverts.
• Masonry Industry.
• Tiles, Pavements & Roads.
Advantages
• Reduced Permeability Results for Better Concrete Works.
• Improved Compressive Strength.
• Improved Flexural Strength.
• Lower Susceptibility to Water Ingress.
• Improved Resistance to Sulfate Attack.
• Improved Resistance to Alkali-Silica Reaction.
• Improved Resistance to Chloride Penetration & Carbonation.
• Ideal for Mass Concrete Pours & Warm Climates.
• Slower Setting Time for Easier Workability & Finishing Works.
Storing
• Cement bags should be stored in a dry place and kept away from a humid environment.
• Bags are stacked over wooden palettes.
• Cement bags should be covered in case of humid & rainy weathers.
• Don’t stuff more than 8 bags over each other.
Validity
• 6 weeks from the packing date, provided that it’s properly stored as previously mentioned instructions.
• Cement should be re-tested before use after this period.