ASTM-D4857 2008(Redline)

$26.65

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 (Redline)

Published By	Publication Date	Number of Pages
ASTM	2008	12

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Category: ASTM

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Description

Significance and Use

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.

1. Scope

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.

2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.

ASTM Standards

B152/B152M Specification for Copper Sheet, Strip, Plate, and Rolled Bar D93 Test Methods for Flash Point by Pensky-Martens Closed Cup Tester D235 Specification for Mineral Spirits (Petroleum Spirits) (Hydrocarbon Dry Cleaning Solvent) D445 Test Method for Kinematic Viscosity of Transparent and Opaque Liquids (and Calculation of Dynamic Viscosity) D874 Test Method for Sulfated Ash from Lubricating Oils and Additives D2270 Practice for Calculating Viscosity Index from Kinematic Viscosity at 40 and 100C D2622 Test Method for Sulfur in Petroleum Products by Wavelength Dispersive X-ray Fluorescence Spectrometry D4052 Test Method for Density, Relative Density, and API Gravity of Liquids by Digital Density Meter D4629 Test Method for Trace Nitrogen in Liquid Petroleum Hydrocarbons by Syringe/Inlet Oxidative Combustion and Chemiluminescence Detection D4858 Test Method for Determination of the Tendency of Lubricants to Promote Preignition in Two-Stroke-Cycle Gasoline Engines D4859 Specification for Lubricants for Two-Stroke-Cycle Spark-Ignition Gasoline Engines-TC D4863 Test Method for Determination of Lubricity of Two-Stroke-Cycle Gasoline Engine Lubricants D4951 Test Method for Determination of Additive Elements in Lubricating Oils by Inductively Coupled Plasma Atomic Emission Spectrometry E230 Specification and Temperature-Electromotive Force (EMF) Tables for Standardized Thermocouples G40 Terminology Relating to Wear and Erosion

ANSI Standard

ANSIMC96.1 American National Standard for Temperature Measurement Thermocouples Available from American National Standards Institute (ANSI), 25 W. 43rd St., 4th Floor, New York, NY 10036.

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; Two-stroke-cycle engines; Yamaha RD-350B test engine;

ICS Code

ICS Number Code 75.100 (Lubricants, industrial oils and related products)

DOI: 10.1520/D4857-08 ASTM International is a member of CrossRef.

ASTM D4857 (Petroleum Standards)

Additional information

Standard Title	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 (Redline)
Published Code	ASTM
Publication Date	2008
Pages Count	12

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ASTM-D4857 2008(Redline)

ASTM D4857 (Petroleum Standards)

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