PCEs are adsorbed on to the surface of cement particles through their negatively charged anchoring groups (which include carboxyl groups) to kind a thicker adsorption layer, generating electrostatic repulsion and steric hindrance, thereby enhancing the flowability on the cement slurry. It is chemical admixtures that are added for the concrete https://metalprinting04814.madmouseblog.com/18242029/facts-about-superplasticizer-admixture-revealed