| 摘要 |
PROBLEM TO BE SOLVED: To provide a polyolefin microporous film preferable as a base material for liquid filter in which the film has both excellent capturing performance and liquid permeability and has high degree of freedom in filter design.SOLUTION: A base material for liquid filter consists of a polyolefin microporous film in which a thickness of the polyolefin microporous film is 4 to 16 μm and a bubble point of the polyolefin microporous film is 0.40 MPa or more and 0.80 MPa or less. |
