R503（Freon 503）ultralow temperature refrigerantIt is mainly used in cryogenic equipment such as ultra-low temperature refrigerators or freezers, blood bank refrigerators, freeze-dryers/freeze-dryers, environmental test chambers/equipment (cold and hot impact testing machines), biochemical test chambers and other cryogenic equipment (including scientific research refrigeration, medical refrigeration, etc.), and is more commonly used in the low temperature section of these cascade refrigeration systems.
R503 Composition
Mole percentage: R23 accounts for 49.97%, R13 accounts for 50.03%
Mass percentage:R13accounting for 59.9%,R23Accounting for 40.1%
R503 Refrigerant Parameters
R503 Composition
Mole percentage: R23 accounts for 49.97%, R13 accounts for 50.03%
Mass percentage:R13accounting for 59.9%,R23Accounting for 40.1%
R503 Refrigerant Parameters
| Name: R503, CFC/HFC-503 | Classification: Mixed refrigerants |
| Molecular weight: 87 | Molar mass: 87g/mol |
| CAS Number: 75-72-9/75-46-7 | Critical temperature: 18.4℃ |
| Critical pressure: 4.28MPa | Boiling point: -87.5℃ |
| Ozone Destruction Potential (ODP): 0.6 | Global Warming Potential (GWP): 13,000 |
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