Prime Flex Hydro Gel SX from Prime Resins is a single-component, hydrophilic polyurethane resin that reacts with water to form either a closed-cell, watertight foam or impermeable gel depending on the water-to-resin mix ratio. It is used to seal actively leaking joints and cracks in below-grade concrete structures such as manholes and dams. It can be used for soil stabilization. Material is typically injected under pressure to curtain grout behind porous structures. It is verified to meet NSF/ANSI Standard 61 for contact with potable water. 800/321-7212;


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