A. It truly is an admixture that triggers the event of a process of microscopic air bubbles in cement paste for the duration of mixing, normally to increase its resistance to freezing and thawing and to enhance workability (ACI 212.3R). The use of fly ash resulted in significant Expense savings, https://plasticizerforconcrete20482.alltdesign.com/detailed-notes-on-admixtures-51789610