THE NON-NORMATIVE TESTS OF THE OPERATIONAL SUITABILITY OF BIODEGRADABLE HYDRAULIC OILS

摘要

The paper presented the results of tests on the operational properties of industrial oils based on plants carried out by methods not covered by subject standards. It was a method for testing the thermo-oxidative resistance of oils using an actual hydraulic stand and a method for testing the resistance of oils to the action of microorganisms in an aqueous environment. The results of tests on biodegradable hydraulic oil based on a mixture of rapeseed and castor oil were presented. The usefulness of methods for assessing the operational properties of oils was demonstrated, in particular at the stage of composition.