With the gradual enrichment with the types of concrete, the types of superplasticizers have also amplified, and naphthalene superplasticizers and polycarboxylic acid superplasticizers are starting to be greatly used in concrete [27,28]. Although there happen to be several types of superplasticizers, that happen to be all based on OPC, the https://metal-printing94714.bloggerchest.com/37667462/fascination-about-refractory