Cyclopentane – A Blowing Agent for the Polyurethane FoamsCyclopentane is usually used as a new, more environmentally friendly insulation material in the manufacture of select refrigerators and freezers.Cyclopentane is a blowing agent for the polyurethane foams that are used to insulate refrigerators and freezers.Unlike some other chemicals used to insulate refrigerators, cyclopentane does not contain … Continue reading A Blowing Agent for the Polyurethane Foams