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ASTM D4859二冲程循环汽油发动机用润滑油标准规范

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ASTM D4859二冲程循环汽油发动机用润滑油标准规范
ASTM D4859 Standard Specification for Lubricants for Two-Stroke-Cycle Spark-Ignition Gasoline Engines-TC
ASTM D4859二冲程循环汽油发动机用润滑油标准规范
This specification covers lubricants for two-stroke-cycle spark-ignition gasoline engines that are prone to ring sticking and damage caused by deposit-induced preignition, piston scuff, spark plug fouling, and piston varnish. The engine oils should be tested for performance, ring sticking and piston deposit, lubricity, and preignition.
This abstract is a brief summary of the referenced standard. It is informational only and not an official part of the standard; the full text of the standard itself must be referred to for its use and application. ASTM does not give any warranty express or implied or make any representation that the contents of this abstract are accurate, complete or up to date.
1. Scope
1.1 This specification covers lubricants intended for use in two-stroke-cycle spark-ignition gasoline engines, typically other than outboard motors, that are particularly prone to ring sticking, but which are also liable to suffer damage arising from deposit induced preignition, piston scuff, spark plug fouling and piston varnish.
1.2 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.

2. Referenced Documents (purchase separately)
ASTM Standards
D445 Test Method for Kinematic Viscosity of Transparent and Opaque Liquids (and Calculation of Dynamic Viscosity)
D664 Test Method for Acid Number of Petroleum Products by Potentiometric Titration
D874 Test Method for Sulfated Ash from Lubricating Oils and Additives
D2270 Practice for Calculating Viscosity Index from Kinematic Viscosity at 40 and 100C
D2896 Test Method for Base Number of Petroleum Products by Potentiometric Perchloric Acid Titration
D4857 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
D4858 Test Method for Determination of the Tendency of Lubricants to Promote Preignition in Two-Stroke-Cycle Gasoline Engines
D4863 Test Method for Determination of Lubricity of Two-Stroke-Cycle Gasoline Engine Lubricants
Coordinating European Council (CEC) Standard
CECL-19-T-77 The Evaluation of the Lubricity of Two-Stroke Engine Oils
Index Terms
API TC; engine oil; TC; two-cycle; two stroke; two-stroke cycle engine oil; two-stroke cycle engine oil specification; Air-cooled gasoline engines; API TC; Automotive engine fuels/oils--specifications; Combustion chamber; Two-stroke-cycle engines; Gasoline; Ignition--petroleum products; Lubricants (fluid)--specifications; Lubricating oils--specifications; Petroleum products--specifications; Piston rings; Preignition; Spark plugs; TC; Temperature tests--petroleum products; Water-cooled gasoline engines
 
 
 
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