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Uploaded on Nov 17, 2009
This quick demo shows how superplasticizer makes a high quality, low water to cement ratio concrete countertop mix workable, without adding any water. A low water to cement ratio such as 0.35 is essential for the high strength concrete required for concrete countertops. Superplasticizers are simply high range water reducers that allow you increase workability without sacrificing strength. In this video, we use BASF's Melflux 2651 at a 0.38% dosage.