R425A refrigerant isR22andR407Chas an ozone destruction potential of zero and a greenhouse effect potential of approximately 960. It can be used as a long-term substitute for R22, and its GWP is reduced by about 44% compared with R407C, so it is also an environmentally friendly substitute for R407C. The thermal performance in the original R22 and R407C and other refrigeration and air conditioning systems is comparable to that of R22 and better than R407C.
When R425A replaces R22 and R407C, it can be filled directly. There is no need to change the components and production line of the original R22 refrigeration system. It only needs to replace the original refrigerant oil with ester oil (POE oil); there is no need to change the components, production line and refrigerant oil of the original R407C refrigeration and air conditioning system.
Composition of R425A
Mole percentage: R32 accounts for 32.1134%, R134A accounts for 61.5131%, R227EA accounts for 6.37349%
Mass percentage:R32accounting for 18.5%,R134Aaccounting for 69.5%,R227EAaccounted for 12%
R425A refrigerant parameters
When R425A replaces R22 and R407C, it can be filled directly. There is no need to change the components and production line of the original R22 refrigeration system. It only needs to replace the original refrigerant oil with ester oil (POE oil); there is no need to change the components, production line and refrigerant oil of the original R407C refrigeration and air conditioning system.
Composition of R425A
Mole percentage: R32 accounts for 32.1134%, R134A accounts for 61.5131%, R227EA accounts for 6.37349%
Mass percentage:R32accounting for 18.5%,R134Aaccounting for 69.5%,R227EAaccounted for 12%
R425A refrigerant parameters
| Name: R425A, HFC-425A | Classification: Mixed refrigerants |
| Molecular weight: 90 | Molar mass: 90g/mol |
| CAS Number: 75-10-5/811-97-2/431-89-0 | Critical temperature: 94℃ |
| Critical pressure: 4.5MPa | Critical density: 0.48 g/cm3 |
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