1. Hydrophilic polyurethane waterproof material. 2. Saturated rate : 20-25 times 3. Good tenacity, low shrink Ruth IP-11 water based polyurethane waterproof material is a macromolecule chemical injection water-stop material. It can stop the water leaking in the building at once, can be widely used on: Subway Station,Tunnel,Culvert,Foundation Improvement,Soil Settlement,Reservoir,Port Project,Top ...