| 摘要 |
<p>A blowing agent composition comprising at least one member selected from the group consisting of pentafluoroethane, 1,1,1,2-tetrafluoroethane and 1,1,1,2,3,3,3-heptafluoropropane, and either difluoromethane and/or 1,1,1,-trifluoroethane, or 1,1-difluroethane and/or LPG.</p> |
