What's the structure of cement in Feng Run in 2 degree weather?

The concrete pavement prepared with Feng Runsheng's road portland cement has better compactness and wear resistance than ordinary cement, and its early strength is high and its later strength increases rapidly.

Cement, also known as foreign ash and red wool ash, is a kind of powdery hydraulic inorganic cementing material, and its main raw material is lime or calcium silicate. Usually not used alone, it is often combined with sand to form mortar or concrete.