With the gradual enrichment of your types of concrete, the types of superplasticizers have also enhanced, and naphthalene superplasticizers and polycarboxylic acid superplasticizers are starting to be greatly used in concrete [27,28]. Despite the fact that there are lots of types of superplasticizers, which are all based on OPC, the https://raymondlmlkj.wikisona.com/1842307/top_guidelines_of_plasticizers_in_concrete