ASTM D6186: Oxidation Induction Time of Oils by PDSC

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ASTM D-6186 Oxidation Induction Time of Lubricating Oils by Pressure Differential Scanning Calorimetry

Some greases and oils react with atmospheric oxygen to produce insoluble gums and sludges, which may decrease the performance of the lubricant. To lessen the rate of oxidation, antioxidants are added. This test may be used to compare antioxidants and may predict the relative life of a lubricant. It requires a small amount of sample and it gives results in hours rather than days, weeks or even months as required by other tests.

A small quantity of grease (ASTM D-5483) or oil (ASTM D-6186) is heated to a specified temperature and then pressurized with oxygen. The pressure and temperature are maintained until an exothermic reaction occurs, up to 120 minutes. If the reaction occurs in less than ten minutes, a lower temperature should be tested as per the method (210ºC, 180ºC, 155ºC for grease and 210ºC, 180ºC, 155ºC, 130ºC for oil). The time from pressurization to exotherm is reported. Please specify the temperature.

Price: $488.00

Sample size: 5 ml

Related tests:

Petro-Lubricant Testing Laboratories, Inc.
116 Sunset Inn Road, Lafayette, NJ 07848, USA
Phone: +1 973-579-3448

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