| 摘要 |
PURPOSE: Provided is a refrigerant mixture composition for refrigerator/air conditioner, which substitutes dichlorodifluoromethane(CFC-12) and is excellent in coefficient of freezing performance and volumetric capacity of freezing without changing a compressor or lubricating oil by containing 1,1,1,2-tetrafluoromethane, dimethylether, one selected from chlorodifluoromethane, propane and isobutane. CONSTITUTION: The refrigerant mixtures composition contains i) 10-98wt% of tetrafluoromethane, 2-70wt% of dimethylether and 0-20wt% of one selected from chlorodifluoromethane, propane and isobutane.
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