Why do you put plastic film on the paved road?
Cover with plastic film to prevent moisture from evaporating. If the moisture is too fast, evaporation will affect the curing of concrete, it will cause cracking, peeling and other phenomena, affecting the strength of concrete.
It is used for curing concrete. Because cement curing needs proper moisture content, and reacts with moisture to make the hardness of concrete increase continuously.
Plastic film does not have special requirements, as long as it can be covered with water to prevent evaporation. In the cold season construction to cover the mats and other things to keep the temperature.
