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ASTM D4857-08
Standard Test Method for Determination of the Ability of Lubricants to Minimize Ring Sticking and Piston Deposits in Two-Stroke-Cycle Gasoline Engines Other Than Outboards
STANDARD published on 1.12.2008
The information about the standard:
Designation standards: ASTM D4857-08
Note: WITHDRAWN
Publication date standards: 1.12.2008
SKU: NS-28911
The number of pages: 10
Approximate weight : 30 g (0.07 lbs)
Country: American technical standard
Category: Technical standards ASTM
Annotation of standard text ASTM D4857-08 :
Keywords:
air-cooled, engine deposits, lubricant, two-cycle gasoline engine, Calibration--petroleum analysis instrumentation, Cold sticking (of piston rings), Combustion chamber, Exhaust port blockage, Gasoline, Heating tests--petroleum products, Hot sticking (of piston rings), Instrumental measurement--petroleum products, Lubricants (fluid), Lubricating oils, Performance--petroleum products/applications, Piston rings, Ring sticking, Spark plugs, Temperature tests--petroleum products, Thermocouples
Additional information
| Significance and Use | ||||||||||||||||||||||||||||||||
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This test method is primarily intended for the evaluation of lubricants for use in two-stroke-cycle engines of high specific output. Note 1—If the test method is being used to satisfy a portion of Specification D 4859, refer to the specification for the pass-fail criteria. |
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| 1. Scope | ||||||||||||||||||||||||||||||||
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1.1 This test method evaluates the performance of lubricants intended for use in two-stroke-cycle spark-ignition gasoline engines that are particularly prone to ring sticking. Piston varnish and spark plug fouling are also evaluated. 1.2 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard. 1.3 This 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. |
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| 2. Referenced Documents | ||||||||||||||||||||||||||||||||
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