Concrete admixtures are classified by function

Concrete admixtures are mainly divided into the following categories according to their functions:(1) Admixtures that improve the rheological properties of concrete mixtures, including various water-reducing agents, air-entraining agents and pumping agents agent. (2) Admixtures that adjust the setting time and hardening properties of concrete, including retarder, early strength agent, accelerator, etc. (3) Admixtures that improve…