With The gradual enrichment of your types of concrete, the types of superplasticizers have also increased, and naphthalene superplasticizers and polycarboxylic acid superplasticizers are beginning to be widely used in concrete [27,28]. Even though there are already quite a few types of superplasticizers, which might be all based on OPC, https://spherical-niobium-powder31974.tnpwiki.com/7142757/details_fiction_and_polycarboxylate_ether_superplasticizer