This review examines stability of PAG, POE, and PVE oils in refrigeration systems, indicating strong compatibility with low-GWP refrigerants.
This review examines the stability of PAG, POE, and PVE oils used in refrigeration system compressors, along with their interactions with low- and ultra-low-GWP refrigerants. Key findings reveal minimal degradation and strong compatibility under standard conditions. Following ASHRAE 97 standards, the study highlights the necessity of long-term stability evaluations and advocates for further research into lubricant additives, refrigerant interactions, and metal components to improve system reliability.
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Pawar et al. (2025) studied this question.
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