ASTM D4682-18(2024)

Annotation of standard text ASTM D4682-18(2024) :

This standard specification describes four categories of two-stroke-cycle gasoline engine lubricants based on their miscibility with gasoline and their low-temperature fluidity. The lubricant categories are classified according to the temperature at which the tests are conducted. The lubricants shall meet the requirements for viscosity and miscibility with gasoline. Miscibility test method shall be done using a rotator, graduated cylinders, stoppered flask, and freezer, and shall use reference oil and any full-boiling-range gasoline as indicated in the specification. Fluidity test method shall be done using Brookfield viscometer and its associated equipment. All test method shall be in accordance with the calibration and standardization procedure indicated in the specification.


Keywords:
gasoline, low-temperature fluidity, miscibility, rotational viscometry, viscosity,, ICS Number Code 75.160.20 (Liquid fuels)