SUBSTANTIALLY CONSTANT BOILING COMPOSITIONS OF DIFLUOROMETHANE AND TRIFLUOROETHANE OF PERFLUOROETHANE

摘要

Substantially constant boiling mixtures of difluoromethane and 1,1,1- trifluoroethane or perfluoroethane are useful as refri- gerants, aerosol propellants, heat transfer media, gaseous dielectrics, fire extinguishing agents, and expansion agents for polym- ers.