Care 30
 | This article relies on a single source. (July 2025) |
CARE 30 is a refrigerant consisting of a blend of isobutane (R-600a) and propane (R-290) developed to replace dichlorodifluoromethane (R-12) and 1,1,1,2-tetrafluoroethane (R-134a).[1] It is primarily for use in small commercial refrigeration and air-conditioning systems that have traditionally used R-12.
Compatibility
It operates at similar pressures and possesses similar volumetric refrigerating effect to R-12 and R-134a. It can be used in a R12 or R134A compressor or a specific CARE 30 compressor. It can be used with R-12 or R-134a heat exchangers and expansion devices. It is compatible with most common refrigeration materials and lubricants.
Comparison
Comparison with R-12 and R-134a
| CARE 30 | R-12 | R-134a | |
|---|---|---|---|
| Chemical Type | HC | CFC | HFC |
| Composition | zeotrope | Pure | Pure |
| Application | small commercial | - | - |
| Temperature Range | high, medium | - | - |
| Ozone depletion potential (CFC-11=1) | 0 | 0.9 | 0 |
| Global warming potential (CO2=1, 100yr ITH) | 3 | 10600 | 1600 |
| Normal boiling point (1.0 bar, abs) | -31 °C | -30 °C | -26 °C |
| Latent heat (1.0 bar, abs) | 367 kJ/kg | 145 kJ/kg | 189 kJ/kg |
| Refrigerant mass charge size (R-12=100%) | 41% | 100% | 91% |
References
- ^ Industrial Gases: Care 30 BOC: The Linde Group, Producer of Care 30. Retrieved on 5 March 2016.
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