| 摘要 |
PROBLEM TO BE SOLVED: To provide a moisture permeable waterproof membrane that has high moisture permeability, but does not allow permeation of water even in a thin film, and is superior in adhesion to hydrophilic moisture permeable resin.SOLUTION: A moisture permeable waterproof membrane is composed of a polyolefin microporous film including polyethylene, has a water vapor permeation amount of 4000-10000 g/m/24hr and a water pressure resistance of 30 kPa or more. |
