What are the theories on the retarding effect of retarder on cement? A must-see for professionals

It is well known that retarder can help retard cement to a certain extent. As a professional, you must know what kind of theory it is? The theory of retarder’s retarding effect on cement can be It can be summarized into the following four viewpoints. 　(1) Adsorption theory: Since the surface of cement particles has…