| abstract |
A porous film is excellent in barrier properties such as blood barrier property and viral barrier property, puncture strength, and moisture permeability. A waterproof and moisture-permeable material that uses the porous film, and reduces the stuffy feeling that a person feels when wearing it and is excellent in the wearing comfortableness. The porous film has a degree of moisture permeability greater than or equal to 150 g/m 2 ·h, a puncture strength is greater than or equal to 100 N/mm, and a blood barrier property is class 4 or higher. |