| 摘要 |
A blowing composition comprising (1) at least one member selected from the group consisting of difluoromethane, 1,1-difluoroethane and 1,1,1-trifluoroethane and (2) at least one member selected from the group consisting of propane, i-butane, n-butane, pentane, isopentane, cyclopentane and dimethylether; a method for producing a foam by using the composition; and a form according to the method.
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