| 摘要 |
The present invention relates to a coolant composition which comprises from 85 to 98 kg of 1,1-difluoroethane (R-152a), from 1 to 5 kg of 1,1,1,2-tetrafluoroethane (R-134a), from 0.5 to 5 kg of propylene (R-1270), from 1 to 5 kg of propane (R-290), and from 0.1 to 0.5 kg of hexamethyl silicone oil, and of which the ozone layer depletion potential (ODP) is 0 and the global warming potential (GWP) is 128.2. |
