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Standards
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Egyptian Standards : (4756 - 2007/1) CEM II / B-S (32.5N)
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European Standards: (2004/1- EN197) CEM II / B-S (32.5N)
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Uses
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For non-constructive purposes
For plastering as well as for finishing purposes
For manufacturing of cement bricks.
For manufacturing of cement tiles.
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Physical and mechanical properties
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Egyptian Standards (4756-2007/1)
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Averages
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Property
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Setting time
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Not less than 60 minutes
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2.40 – 3.00
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Initial setting time (hr.m)
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3.40 – 4.00
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Final setting time (hr.m)
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Pressure resistance
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Not less than 16 N/mm2
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20 – 25 N/mm2
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Post 7 days
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Not less than 32.5 N/mm2
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35 – 38 N/mm2
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Post 28 days
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Size stability
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Not more than 10 mm
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1 - 2 mm
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(Le Châtelier's principle)
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Chemical properties (%)
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Not more than 5.00
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1.3 – 1.8
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Weight loss on burning
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Not more than 3.50
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2.1 -2.5
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Tri Sulfur Oxide
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Not more than 5.00
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0.9 – 1.5
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Non-soluble material
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Not more than 5.00
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2.3 -2.6
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Magnesium Oxide
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Not more than 0.60
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0.4 – 0.55
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Alkalis contents
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Not more than 0.10
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0.04 – 0.08
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Chloride content
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