| abstract |
HCFO1233zd (E, which can replace HCFC123, is a low ODP and low GWP refrigerant, has a COP equivalent to HCFC123, and has a refrigeration capacity and gas density considered as an alternative refrigerant for HCFC123 ), Providing new mixed refrigerants that are higher than single refrigerants such as HFC245fa. A composition containing a refrigerant, wherein the refrigerant contains HCFO1233zd (E) and HFC245fa, and the mass ratio of HCFO1233zd (E) to HFC245fa is 18:82 to 49:51. object. [Selection figure] None |