| 摘要 |
A composition for a polyolefin resin foam, which comprises a polymer component comprising a polyolefin resin, and at least one of a rubber and a thermoplastic olefin elastomer, and powdery particles, wherein said composition has a melt tension of at least 20 cN when measured in a range between a first temperature at a melting point of said composition and a second temperature that is 20 degrees Celsius higher than said first temperature.
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