R427A refrigerant isR22Environmentally friendly alternatives, compared to other R22 system modificationsrefrigerant, R427A has higher energy efficiency. While ensuring chemical properties and cooling effects, it has a low global warming potential. The ozone layer destruction potential (ODP) is 0. It is a safe, non-toxic and environmentally friendly refrigerant product. The R427A maintains almost the same pressure as the R22 and is compatible with mineral oil. It has been approved by Copeland Discus compressors. There is no need to replace the thermal expansion valve during the renovation of the air conditioning, heat pump, and refrigeration systems using the R22, greatly reducing the renovation workload.
Composition of R427A
Mole percentage: R32 accounts for 26.0776%, R125 accounts for 18.8391%, R143A accounts for 10.7619%, R134A accounts for 44.3214%
Mass percentage:R32accounting for 15%,R125accounting for 25%,R134Aaccounting for 50%,R143A10%
R427A refrigerant parameters
Composition of R427A
Mole percentage: R32 accounts for 26.0776%, R125 accounts for 18.8391%, R143A accounts for 10.7619%, R134A accounts for 44.3214%
Mass percentage:R32accounting for 15%,R125accounting for 25%,R134Aaccounting for 50%,R143A10%
R427A refrigerant parameters
| Name: R427A, HFC-427A | Classification: Mixed refrigerants |
| Molecular weight: 90.5 | Molar mass: 90.5g/mol |
| CAS Number: 75-10-5/354-33-6/811-97-2/420-46-2 | Critical temperature: 85℃ |
| Critical pressure: 4.37MPa | Critical density: 0.48 g/cm3 |
| Boiling point: -42.7℃ | Specific heat of liquid (25℃):1.58KJ/(kg?℃) |
| ODP：0 | GWP：0.183 |
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