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Standard Test Method for Determination of Turbo Charger Deposits by Thermo-Oxidation Engine Oil Simulation Test (Includes all amendments and changes 5/12/2022).Translate name
STANDARD published on 1.4.2022
Designation standards: ASTM D8447-22e1
Publication date standards: 1.4.2022
The number of pages: 6
Approximate weight : 18 g (0.04 lbs)
Country: American technical standard
Category: Technical standards ASTM
deposits, engine oil, oxidation, pyrolysis, TEOST, thermal decomposition, thermal oxidation, turbo, turbocharger,
|Significance and Use|
4.1The test method is designed to predict the elevated temperature deposit forming tendencies of an engine oil subject to the added oxidizing stress of a turbocharger. This test method can be used to screen oil samples or as a quality assurance tool.
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 (TEOST). The range and applicability of the TEOST Turbo test method as derived from an interlaboratory study is approximately 5mg to 9mg. However, experience indicates that deposit levels of up to 150mg or greater can be obtained.
1.2This test method uses a patented instrument, method and patented, numbered, and registered depositor rods traceable to the manufacturer1.3The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.
1.3.1Milligrams (mg), grams (g), milliliters (mL), and liters (L) are the units provided because they are an industry accepted standard.
1.4This 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, health, and environmental practices and determine the applicability of regulatory limitations prior to use.
1.5This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.
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