GMNA - GM9030P
Oil Separation from Grease
|Publication Date:||1 October 2012|
This method is used for determining the tendency of the oil in lubricating grease to separate at elevated temperature. It consists of heating the specimen in a wiregauze cone under static conditions for the time and at the temperature required by the specification, then determining the percentage (mass) of the oil drained through the cone.
Unless Otherwirse specified, the test is conducted for 30 h at 100 ± 0.5 C.