ASTM D7320评估磨损与黏度增厚测试(IIIG)序列火花点火发动机中汽车机器润滑油标准试验方法..
日期:2012-02-08 10:18
ASTM D7320Standard Test Method for Evaluation of Automotive Engine Oils in the Sequence IIIG, Spark-Ignition Engine
ASTM D7320评估磨损与黏度增厚测试(IIIG)序列火花点火发动机中汽车机器润滑油标准试验方法..
This test method was developed to evaluate automotive engine oils for protection against oil thickening and engine wear during moderately high-speed, high-temperature service.
The increase in oil viscosity obtained in this test indicates the tendency of an oil to thicken because of oxidation. I
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