R428A refrigerant is used to replaceR502, can be replaced in cryogenic systemsR22。The R428A has operating performance very close to that of the R507C, and the pressure and pressure of the R507C andR404AClose, temperature slip is less than 1 degree Celsius, can be fully matched to replace R502, and can operate in a flooded system. R428A has a higher volumetric cooling capacity than R22 at low temperatures, which is one of its outstanding characteristics. R428A refrigerant is compatible with MO oil, AB oil and synthetic oil.
Composition of R428A
Mole percentage: R125 accounts for 69.4325%, R143A accounts for 25.5893%, R290 accounts for 1.46311%, R600a accounts for 3.51505%
Mass percentage:R125accounting for 78.3%,R143Aaccounting for 20.2%,R290accounting for 0.6%,R600aaccounted for 0.9%
R428A refrigerant parameters
Composition of R428A
Mole percentage: R125 accounts for 69.4325%, R143A accounts for 25.5893%, R290 accounts for 1.46311%, R600a accounts for 3.51505%
Mass percentage:R125accounting for 78.3%,R143Aaccounting for 20.2%,R290accounting for 0.6%,R600aaccounted for 0.9%
R428A refrigerant parameters
| Name: R428A, HFC-428A, HC-428A | Classification: Mixed refrigerants |
| Molecular weight: 106.5 | Molar mass: 106.5g/mol |
| CAS Number: 420-46-2/354-33-6/74-98-6/75-28-5 | Critical temperature: 69℃ |
| Critical pressure: 3.72MPa | Critical density: 0.51g/cm3 |
| ODP：0 | GWP：0.36 |
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