With the gradual enrichment from the types of concrete, the types of superplasticizers have also enhanced, and naphthalene superplasticizers and polycarboxylic acid superplasticizers are beginning to be broadly used in concrete [27,28]. Whilst there have been numerous types of superplasticizers, which can be all based on OPC, the element morphology https://spherical-tungsten-powder05926.blogofoto.com/68774682/fascination-about-refractory