| 摘要 |
A non-combustible polyether polyol and/or polyester polyol pre-mixture for producing a foamed product, expecially a polyurethane foam material, in which the pre-mixture comprises polyol, more than 4% by weight of a blowing agent mixture comprising HFC 365mfc and at least one additional fluorohydrocarbon blowing agent, and a halogenated alkane.
|
