TK-2519 DC WB is a 100% Hydrocarbon Resin, Water/Solvent base Curing Compound. It is designed for curing freshly placed concrete, allowing the concrete to achieve maximum hardness and density by restricting the evaporation of available moisture within the mix. TK-2519 DC WB is applied, will be retained for a minimum of 72 hours, this allows complete hydration of the cement.