Structural Concrete S300 (Extra Extended Set)- Is a normal setting (60 minutes working time @ 70 Deg. F), single component, enhanced hydraulic cement mortar used for pourable or pumpable repairs of concrete structures. Application thicknesses from ? to 3 inches neat. Over three inches with choice aggregate extensions including pea-gravel to course aggregates for large volume repairs and foundation restorations. Product creates corrosion protection of steel reinforced structures with mitigating corrosion inhibitor technology and has very low chloride ion permeability. Available in bulk packaging (3,000 lb. Crane Bag).