REFRIGERANT MIXTURE OF DIMETHYL ETHER AND CARBON DIOXIDE

摘要

Disclosed is a safe, non-toxic refrigerant exhibiting excellent performance which is obtained by mixing dimethyl ether and carbon dioxide as refrigerants. This refrigerant does not deplete the ozone layer, and has an extremely low global warming potential. Specifically disclosed is a refrigerant composition for freezers which is characterized by containing 90-40 mol% of dimethyl ether and 10-60 mol% of carbon dioxide based on the total mole number of the dimethyl ether and carbon dioxide.