Lubricant Screening for HFC-134a Car Air Conditioning Compressor Reliability 901735

Certain important factors must be considered when the current refrigerant for automotive air conditioning systems, (A/C), is changed from CFC12 to the ozone safe HFC134a. This paper will focus on lubricant compatibility by presenting a screening process which will cover: a screening table of essential physical properties general information on types of available lubricants tests of chemical stability lubricity compatibility with elastomers methods for testing compressor durability service engineering


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