Two Component PU Foaming Injection Resin

Viscoplastic, water-activated PU injection foam. Reacts only when in contact with water and spontaneously forms a compact, viscoplastic, waterproof polyurethane foam which is able to follow crack movements. Volume expansion up to 30 times. Free of solvents and fillers, resistant to hydrolysis. Fields of application: Singlestep waterproofing of water-bearing cracks without the subsequent injection of a solid body resin