With the gradual enrichment from the types of concrete, the types of superplasticizers have also improved, and naphthalene superplasticizers and polycarboxylic acid superplasticizers are starting to be greatly used in concrete [27,28]. Though there are many types of superplasticizers, that happen to be all based on OPC, the ingredient morphology https://sphericalvanadiumpowder98517.wikitelevisions.com/8329999/a_secret_weapon_for_air_entraining