Novec fluid HFE-71DA is a true azeotrope, with constant vapor and liquid composition at its boiling point. It can replace ozone-depleting materials in many applications as well as certain aqueous cleaning processes.
3M™ Novec ™ Engineered Fluid HFE-71DA is a hydrofluoroether, Methyl Nonafluorobutyl Ether (C4F9OCH3), in an azeotrope formulation with trans-1, 2-dichloroethylene and ethanol.