摘要 |
A blowing agent composition containing at least one member selected from the group consisting of difluoromethane, 1,1-difluoroethane and 1,1,1-trifluoroethane and at least one member selected from the group consisting of propane, i-butane, n-butane, pentane, isopentane, cyclopentane and dimethyl ether; a process for producing a foam by using said composition; and a foam produced by said process. |