Special cements are cements that serve some specific function such as altering the setting or hardening behavior of a concrete, producing different colors for architectural effects, imparting superior workability, imparting water retention and plasticity to mortars, resisting the penetration of water in walls or containment vessels or simply reducing the cost of the cementing agent. Below are descriptions of the basic characteristics of certain special cements and their applications.

Special Cements Characteristics

Appearance: light grey powder

Rapid setting: initial setting time can reach 12~20 minutes

Low degree of shrinkage

No rust to steel

Impermeability

Low carbon footprint

Early-high strength

Tiny expansion and low shrinkage

Low alkali: PH value is about 11 and lower than Portland cement.

Freeze-thaw resistance

Resistance to sulfate attack

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