1,1,1,2-tetrafluoroethane as a blowing agent in integral skin po
1,1,1,2-tetrafluoroethane as a blowing agent in integral skin po
1,1,1,2-tetrafluoroethane as a blowing agent in integral skin po
1,1,1,2-tetrafluoroethane as a blowing agent in integral skin po
1,1,1-Trifluoro-2-chloroethane as blowing agent for polyurethane
142b/124 blowing agent blends