| 摘要 |
<p>A multi component refrigerant composition for use in vapour compression refrigerators and avoiding the use of ozone-depleting chlorofluorocarbons comprises a three component mixture of: (i) a major portion comprised of chlorodifluoromethane (R22) or pentafluoroethane (R125); (ii) R125 or octafluoropropane (R218); and (iii) propylene (R1270) or propylene-propane (R290) mixtures; in non-flammable proportions. r</p> |
