ASHRAE Standard 172 defines a test method to determine the formation of insoluble materials in synthetic lubricants and hydrofluorocarbon (HFC) systems, the results of which can be used to compare lubricants and refrigerants.
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Standard 172-2017 — Method of Test for Insoluble Materials in Synthetic Lubricants and HFC Refrigerant Systems (ANSI Approved)
ASHRAE , 2017
Pages: 10
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