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EN 197-1:2011 CEM I 42,5 N – SR 5
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EN 197-1:2011 CEM I 42,5 N – SR 5

It is produced by grinding together of clinker that has maximum value of C3A of 5,0%, calcium sulphate and mineral additive of maximum 0-5% by weight as minor component. Its maximum Loss on Ignition value is 5,0%, minimum initial setting time value is 60 minutes. This cement can be used to produce concrete or mortar that maintains sufficient processability with a minimum early strength of 10.0 MPa for 2 days, a minimum final strength of 42.5 MPa and a maximum final strength of 62.5 MPa for 28 days when it is mixed properly with aggregate and water.

It is a sulphate resistant cement which is generally used for coastal and port construction, offshore structures, foundation excavations, dams, sulfate-influenced industrial floors and etc.