CALCULATION METHOD OF INDICATORS DEFINITION OF LUBRICANT OILS THERMOOXIDIZING STABILITY
The results of probe of indicators of thermooxidizing stability of the Toyota Castle 10W40SL mineral engine oil are presented at temperatures of 160, 170 and 180 °C. The method of calculation of indicators of termookisli-telny stability for temperature of test of 180 °C on the basis of the received results at temperatures of 160 and 170 °C is approved. The comparative analysis of experimental and settlement data is carried out. The relative error is defined.