| 摘要 |
PROBLEM TO BE SOLVED: To provide a polypropylene resin foam sheet capable of preventing immersion of water, dust or the like into electronic and electrical equipment even though thickness is thin.SOLUTION: There is provided a polypropyrene resin sheet obtained by foaming a resin composition containing at least one of a polypropylene resin, an olefin thermoplastic elastomer and a polyethylene plastomer, of which a central part in a thickness direction, a first surface part of one side of the thickness direction and a second surface part of another side are formed by the resin composition and having thickness of 0.05 to 0.5 mm, tensile strength of 0.1 to 30 MPa and 25% compressive stress of 10 to 150 kPa.SELECTED DRAWING: Figure 1 |
