HYDRO-EXPANSIVE BENTONITE JOINT BASED OF NATURAL SODIUM BENTONITE

The HYDRO-EXPANSIVE BENTONITE JOINT is distinguished by its strong, fast and reliable swelling. Composed primarily of 75% Natural Sodium Bentonite, 25% Butyl Rubber and aggregate, it is used for sealing hydraulic construction joints in concrete. In contact with water it increases its volume filling the pour joints between sections and any small voids in the gravel, often found on the bottom of the vertical caused by the shrinkage of concrete in insufficient vibration. It offers a perfect way seal to the passage of water.