... : 20-25 times 3. Good tenacity, low shrink Ruth IP-11 single-liquid polyurethane waterproof material is a macromolecule chemical injection ... several minutes.3,High rate of expansion, good tenacity, low shrink, strong adhesive power with the base material, and ... suitable for different water resource. 4,Can be applied in low temperature environment.5,Single component material, easy construction, easy ...