The R515B (N15) mixture is an azeotropic mixture consisting of R1234ze (E) and a small amount of R227ea, with a GWP value of 299. R515B is used to replace R134a in refrigeration and heat pump applications.
R515B Composition:R1234ze，R227ea
Mass percentage: R1234ze accounts for 91.1%, R227ea accounts for 8.9%
R514A refrigerant parameters
R515B Composition:R1234ze，R227ea
Mass percentage: R1234ze accounts for 91.1%, R227ea accounts for 8.9%
R514A refrigerant parameters
| Name: R515B, HC/DME-515B | Classification: Mixed refrigerants |
| Molecular weight: 139.6 | Molar mass: 139.6g/mol |
| Boiling point (1 standard atmosphere): 29.1℃ | Critical pressure: 3.52Mpa(absolute pressure) |
| Density (21℃, liquid): 1322.2kg/m | Temperature slip: 0℃ |
| Global warming potential (CO2=1): 2 | ASHRAE Safety Level: B1 |
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R515B refrigerant (N15)
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