Concrete Admixtures: Reworking Present Day Concrete Concrete admixtures are specialized additives—typically under 5% by cement weight—released for the duration of mixing to boost or tailor concrete’s new and hardened characteristics. They are critical in boosting effectiveness, sustainability, and constructibility. 1. Important Classes of Admixtures H2o-Lowering Admixtures Also referr... https://glasslinedreactordiagram60470.wikicorrespondence.com/5268533/concrete_admixtures_improving_performance_in_modern_construction