<p>Quikrete 80 lb. Commercial Grade Countertop Mix is used to create a pre-cast or cast-in-place concrete countertop. This product features a super-plasticizer additive for a flowable mix at a low water-to-cement ratio.</p> <ul><li>Used to create a pre-cast or cast-in-place concrete countertop</li><br /><li>Just add water; super-plasticizer additive delivers a high-flow fluid mix at a low water-to-cement ratio that minimizes the need for mechanical vibration for easy shaping</li><br /><li>Exceed 5,000 psi compression strength in up to 28 days for durability</li><br /><li>Reduces shrinkage formulation for long-lasting use</li><br /><li>Strip form in 18 hours - improves productivity</li></ul>