Full Description

1.1This test method covers the procedure to determine the amount of deposits formed by automotive engine oils utilizing the thermo-oxidation engine oil simulation test (TEOST2).3 An interlaboratory study (see Section 17) has determined it to be applicable over the range from 10mg to 65mg total deposits.

Note 1:Operational experience with the test method has shown the test method to be applicable to engine oils having deposits over the range from 2mg to 180mg total deposits.

1.2The values stated in SI units are to be regarded as standard.

1.2.1Milligrams (mg), grams (g), milliliters (mL), and liters are the units provided, because they are an industry accepted standard.

1.2.2Exception-Pounds per square inch gauge (psig) is provided for information only in 6.2.

1.3This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.