4. Cements with additional standardized characteristics

4.1 Cements for work at sea

Not all cements have the same resistance to chemical attack in the marine environment, so it's essential to use cements with good resistance characteristics.

These cements contain limited amounts of tricalcium aluminate (C3A), giving the concrete greater resistance to sulfate ion attack in the presence of chloride ions, both during and after setting.

Cements for work at sea are :

• CEM I and CEM II, which have complementary physical and chemical characteristics;

• CEM III/A,...