Which type of cement is known as a moderate Sulphur resistant cement?

Type II cement is known for its moderate resistance to sulfur attack, making it suitable for environments where exposure to sulfate-laden soils or water occurs. This type of cement contains a lower percentage of tricalcium aluminate (C3A), which is the compound that contributes to sulfate attack. Its formulation also allows it to handle slight fluctuations in temperature and reduce heat generation during hydration, making it ideal for use in a variety of construction applications, particularly those in moderate sulfate exposure conditions.

In contrast, other types of cement serve different purposes: Type I is a general-purpose cement with no special properties; Type III has a high early strength which is beneficial for fast-track construction but does not offer sulfate resistance; and Type IV is designed to generate minimal heat, primarily used for massive structures where temperature control is critical, but it does not provide the moderate sulfate resistance characteristic of Type II.