Which Includes pure pozzolans like rice husk ash or metakaolin influences fineness and composition, which even further affect the required dosage of air-entraining admixtures in combined concretes that contains these products.[twelve] Air entrainment in concrete requires the intentional incorporation of small air bubbles to enhance its toughness and workability. Though https://nanodiamondpowder25814.mybjjblog.com/about-protein-based-foaming-agent-concrete-47913645