What is the term Floc point in relation to refrigeration oil?

Floc point, also known as Freon floc point, is used to measure the performance and consistency of refrigeration oils. In order for the refrigeration system to function properly, the oil used should be compatible. Wax can separate when an oil solution is cooled with Freon. Once the wax is separated it is called flocculation and that is the reason it is called floc point.