With the gradual enrichment with the types of concrete, the types of superplasticizers have also elevated, and naphthalene superplasticizers and polycarboxylic acid superplasticizers are beginning to be greatly used in concrete [27,28]. Though there have already been a lot of types of superplasticizers, which are all based on OPC, the https://edgarklkkg.webbuzzfeed.com/38064546/facts-about-superplasticizer-admixture-revealed