CONCRETE ADMIXTURES View Detail KKS® POLYMAD 738 High Grade Superplasticizer Admixture Compressive Strength from 40-60 MPa. View Detail KKS® POLYMAD 750 Ultra High Range Water Reducer for Precast Concrete Compressive Strength from 60-80 MPa View Detail KKS® RETARD 850 Concrete Surface Retarder View Detail KKS® RETARD 855 Concrete Surface Retarder View Detail KKS® TM 28 Water-Reducing and Set-Retarding Concrete Admixture View Detail KKS® TUNCRETE L930 Fast Setting Shotcrete Admixture View Detail KKS® ULTRAD 600 Superplasticizer Admixture for Fresh Concrete Compressive Strength from 20-25 MPa View Detail KKS® ULTRAD 610 High Grade Superplasticizer and Water Reducing Admixture for Precast Concrete, Compressive Strength from 20 – 25 MPa View Detail KKS® ULTRAD 670 Superplasticizer Admixture for Fresh Concrete Compressive Strength from 20-25MPa 12