1、Designation: D8076 17aD8076 18Standard Specification for100 Research Octane Number Test Fuel for AutomotiveSpark-Ignition Engines1This standard is issued under the fixed designation D8076; the number immediately following the designation indicates the year oforiginal adoption or, in the case of revi
2、sion, the year of last revision. A number in parentheses indicates the year of last reapproval. Asuperscript epsilon () indicates an editorial change since the last revision or reapproval.1. Scope*1.1 This specification covers the requirements of a high octane number test fuel suitable for spark-ign
3、ition engines to be utilizedin ground vehicles that will require 100 research octane number (RON) minimum rated fuel.1.1.1 The fuels described by this specification are intended for developing technologies that lead to reduced vehicle energyconsumption, such as higher compression ratio, higher power
4、 density, increased turbocharger boost pressure, smaller sweptdisplacement volume, and operation at lower engine speeds.1.1.2 The fuels described in this test fuel specification may not meet all of the performance or regulatory requirements for usein vehicles using commercial gasoline.1.2 The fuels
5、covered in this specification may contain oxygenates, such as alcohols and ethers, up to 50 % by volume. Thisspecification covers fuels that may contain both fossil and bio-derived components.1.2.1 Fuels containing methanol are not included in this specification.1.3 This specification provides a des
6、cription of high RON test fuel for automotive spark-ignition engines that are not currentlyin the marketplace but are being developed and require a defined standard test fuel. The high RON fuel could become availablein the marketplace if/when such engines are introduced in commerce. The specificatio
7、n is under continuous review, which canresult in revisions based on changes in fuel, automotive requirements, or test methods, or a combination thereof. All users of thisspecification, therefore, should refer to the latest edition.NOTE 1If there is any doubt as to the latest edition of Specification
8、 D8076, contact ASTM International Headquarters.1.4 The values stated in SI units are the standard.1.4.1 ExceptionNon-SI values are provided for information only. U.S. federal regulations frequently specify non-SI units.1.5 This standard does not purport to address all of the safety concerns, if any
9、, associated with its use. It is the responsibilityof the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability ofregulatory limitations prior to use.1.6 This international standard was developed in accordance with internationally
10、recognized principles on standardizationestablished in the Decision on Principles for the Development of International Standards, Guides and Recommendations issuedby the World Trade Organization Technical Barriers to Trade (TBT) Committee.2. Referenced Documents2.1 ASTM Standards:2D86 Test Method fo
11、r Distillation of Petroleum Products and Liquid Fuels at Atmospheric PressureD130 Test Method for Corrosiveness to Copper from Petroleum Products by Copper Strip TestD381 Test Method for Gum Content in Fuels by Jet EvaporationD525 Test Method for Oxidation Stability of Gasoline (Induction Period Met
12、hod)D1152 Specification for Methanol (Methyl Alcohol)D1266 Test Method for Sulfur in Petroleum Products (Lamp Method)D2622 Test Method for Sulfur in Petroleum Products by Wavelength Dispersive X-ray Fluorescence Spectrometry1 This specification is under the jurisdiction ofASTM Committee D02 on Petro
13、leum Products, Liquid Fuels, and Lubricants and is the direct responsibility of SubcommitteeD02.A0.01 on Gasoline and Gasoline-Oxygenate Blends.Current edition approved Aug. 1, 2017April 1, 2018. Published August 2017April 2018. Originally approved in 2017. Last pervious edition approved in 2017 asD
14、8076 17.D8076 17a. DOI: 10.1520/D8076-17A.10.1520/D8076-18.2 For referencedASTM standards, visit theASTM website, www.astm.org, or contactASTM Customer Service at serviceastm.org. For Annual Book of ASTM Standardsvolume information, refer to the standards Document Summary page on the ASTM website.Th
15、is document is not an ASTM standard and is intended only to provide the user of an ASTM standard an indication of what changes have been made to the previous version. Becauseit may not be technically possible to adequately depict all changes accurately, ASTM recommends that users consult prior editi
16、ons as appropriate. In all cases only the current versionof the standard as published by ASTM is to be considered the official document.*A Summary of Changes section appears at the end of this standardCopyright ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959.
17、 United States1D2699 Test Method for Research Octane Number of Spark-Ignition Engine FuelD2700 Test Method for Motor Octane Number of Spark-Ignition Engine FuelD3120 Test Method for Trace Quantities of Sulfur in Light Liquid Petroleum Hydrocarbons by Oxidative MicrocoulometryD3237 Test Method for Le
18、ad in Gasoline by Atomic Absorption SpectroscopyD3831 Test Method for Manganese in Gasoline By Atomic Absorption SpectroscopyD4057 Practice for Manual Sampling of Petroleum and Petroleum ProductsD4175 Terminology Relating to Petroleum Products, Liquid Fuels, and LubricantsD4176 Test Method for Free
19、Water and Particulate Contamination in Distillate Fuels (Visual Inspection Procedures)D4177 Practice for Automatic Sampling of Petroleum and Petroleum ProductsD4306 Practice for Aviation Fuel Sample Containers for Tests Affected by Trace ContaminationD4806 Specification for Denatured Fuel Ethanol fo
20、r Blending with Gasolines for Use asAutomotive Spark-Ignition Engine FuelD4814 Specification for Automotive Spark-Ignition Engine FuelD4815 Test Method for Determination of MTBE, ETBE, TAME, DIPE, tertiary-Amyl Alcohol and C1 to C4 Alcohols inGasoline by Gas ChromatographyD4953 Test Method for Vapor
21、 Pressure of Gasoline and Gasoline-Oxygenate Blends (Dry Method)D5059 Test Methods for Lead in Gasoline by X-Ray SpectroscopyD5191 Test Method for Vapor Pressure of Petroleum Products (Mini Method)D5453 Test Method for Determination of Total Sulfur in Light Hydrocarbons, Spark Ignition Engine Fuel,
22、Diesel Engine Fuel,and Engine Oil by Ultraviolet FluorescenceD5482 Test Method for Vapor Pressure of Petroleum Products (Mini MethodAtmospheric)D5599 Test Method for Determination of Oxygenates in Gasoline by Gas Chromatography and Oxygen Selective FlameIonization DetectionD5842 Practice for Samplin
23、g and Handling of Fuels for Volatility MeasurementD5845 Test Method for Determination of MTBE, ETBE, TAME, DIPE, Methanol, Ethanol and tert-Butanol in Gasoline byInfrared SpectroscopyD5854 Practice for Mixing and Handling of Liquid Samples of Petroleum and Petroleum ProductsD5983 Specification for M
24、ethyl Tertiary-Butyl Ether (MTBE) for Downstream Blending for Use in Automotive Spark-IgnitionEngine FuelD6378 Test Method for Determination of Vapor Pressure (VPX) of Petroleum Products, Hydrocarbons, and Hydrocarbon-Oxygenate Mixtures (Triple Expansion Method)D6920 Test Method for Total Sulfur in
25、Naphthas, Distillates, Reformulated Gasolines, Diesels, Biodiesels, and Motor Fuels byOxidative Combustion and Electrochemical DetectionD7039 Test Method for Sulfur in Gasoline, Diesel Fuel, Jet Fuel, Kerosine, Biodiesel, Biodiesel Blends, and Gasoline-EthanolBlends by Monochromatic Wavelength Dispe
26、rsive X-ray Fluorescence SpectrometryD7220 Test Method for Sulfur inAutomotive, Heating, and Jet Fuels by Monochromatic Energy Dispersive X-ray FluorescenceSpectrometryD7319 Test Method for Determination of Existent and Potential Sulfate and Inorganic Chloride in Fuel Ethanol and Butanol byDirect In
27、jection Suppressed Ion ChromatographyD7328 Test Method for Determination of Existent and Potential Inorganic Sulfate and Total Inorganic Chloride in Fuel Ethanolby Ion Chromatography Using Aqueous Sample InjectionD7618 Specification for Ethyl Tertiary-Butyl Ether (ETBE) for Blending with Aviation Sp
28、ark-Ignition Engine FuelD7667 Test Method for Determination of Corrosiveness to Silver byAutomotive Spark-Ignition Engine FuelThin Silver StripMethodD7671 Test Method for Corrosiveness to Silver by Automotive SparkIgnition Engine FuelSilver Strip MethodD7862 Specification for Butanol for Blending wi
29、th Gasoline for Use as Automotive Spark-Ignition Engine FuelE29 Practice for Using Significant Digits in Test Data to Determine Conformance with Specifications2.2 Government Regulations:CFR Title 40 Protection of Environment3CCR Title 17Public HealthSection 6010060114 Description of California Air B
30、asins42.3 Technical Report:CRC Report No. 660 FuelAntiknock QualityEngine Response to RON Versus MON Scoping Tests, Final Report, May 201153. Terminology3.1 For general terminology, refer to Terminology D4175.3.2 Definitions:3 Available from U.S. Government Printing Office, Superintendent of Documen
31、ts, 732 N. Capitol St., NW, Mail Stop: SDE, Washington, DC 20401.4 Available from Barclays, 50 California Street, San Francisco, CA 94111.5 Available from Coordinating Research Council, 5755 North Point Parkway, Suite 265, Alpharetta, GA 30022, http:/www.crcao.org.D8076 1823.2.1 dry vapor pressure e
32、quivalent (DVPE), nvalue calculated by a defined correlation equation that is expected to becomparable to the vapor pressure value obtained by Test Method D4953, Procedure A. D49533.2.2 gasoline, na volatile mixture of liquid hydrocarbons, generally containing small amounts of additives, suitable fo
33、r useas a fuel in spark-ignition, internal combustion engines. D48143.2.3 gasoline-oxygenate blend, na fuel consisting primarily of gasoline along with a substantial amount (more than 0.35 %by mass oxygen) of one or more oxygenates. D48143.2.4 octane sensitivity (S), nthe mathematical difference bet
34、ween RON and MON (S = RON MON).3.2.5 oxygenate, nan oxygen-containing, ashless, organic compound, such as an alcohol or ether, which can be used as a fuelor fuel supplement. D48144. Ordering Information4.1 The volatility of the fuel shall be agreed upon between buyer and seller.4.2 State the concent
35、ration and types of oxygenates present as agreed upon between buyer and seller.5. Performance Requirements for High Octane Number Test Fuel5.1 High octane number test fuel shall conform to the requirements of Table 1, and meet the volatility requirements of Table2. The significance of each of the pr
36、operties of this specification is shown in Appendix X1.5.1.1 The user is advised to review applicable national, state, provincial, or local fuel requirements.5.1.1.1 In the United States there may be additional Clean Air Act requirements that must be fulfilled prior to introduction ofthe high octane
37、 number fuel into commerce. See Appendix X3 in Specification D4814 for information on U.S. EnvironmentalProtection Agency (EPA) regulations for spark-ignition engine fuels.5.1.2 The following applies to all specified limits in this specification: For purposes of determining conformance with thesespe
38、cifications, an observed value or a calculated value shall be rounded to the nearest unit in the right-most significant digit usedin expressing the specification limit, in accordance with the rounding method of Practice E29. For a specification limit expressedas an integer, a trailing zero is signif
39、icant only if the decimal point is specified. For a specified limit expressed as an integer, andthe right-most digit is non-zero, the right-most digit is significant without a decimal point being specified. This convention appliesto specified limits in Tables 1 and 2.5.2 RON and octane sensitivity a
40、re critical performance parameters for the fuels described in this specification. Engine knockand laboratory octane number are described in X1.2 and X1.3, respectively.5.2.1 For engines with increased compression ratio, higher boost pressure, operating at slower speeds, and smaller sweptdisplacement
41、 volume, a high RON, combined with high octane sensitivity, are well correlated with knock resistance.5.2.2 A minimum motor octane number (MON) is required to ensure antiknock performance for all engines at high ambienttemperature and certain other conditions (see CRC Report No. 660).5.3 Volatility
42、requirements for the high octane number test fuel are specified in Table 2. Different limits on dry vapor pressureequivalent (DVPE), T50, and other volatility parameters may be agreed upon between buyer and seller. For guidance on volatilityrequirements for specific climatic conditions, consult sect
43、ion 5.2.1 of Specification D4814.5.4 Oxygenate Blendstock Requirements:5.4.1 Denatured fuel ethanol used in blending high octane number fuel shall conform to the requirements of SpecificationD4806.5.4.2 Butanol used in blending high octane number fuel shall conform to the requirements of Specificati
44、on D7862.TABLE 1 High Octane Number Test Fuel SpecificationsAProperty Limit ASTM Test MethodResearch octane number, min 100. D2699Motor octane number, min 86 D2700Sensitivity, min 8 D2699, D2700Inorganic chloride, mg/kg, max 1 D7319 or D7328 as modified in 7.1.12Lead content, g/L (g/U.S. gal), max 0
45、.013 (0.05) D3237 or D5059Sulfur, mg/kg, max 10 D1266, D2622, D3120, D5453, D6920, or D7039Manganese content, mg/L, maxB 0.25C D3831Copper strip corrosion, max No. 1 D130Silver strip corrosion, max No. 1 D7667 or D7671Solvent-washed gum content, mg/100 mL, max 5 D381Oxidation stability, minutes, min
46、 240. D525A See 5.1.2 for determining conformance with numerical specification limits in this table.B See Appendix X2 for information on U.S. EPA and California Air Resources Board regulations for manganese in gasoline.CThis level represents the lower limit of the Test Method D3831 scope.D8076 1835.
47、4.3 Methyl tert-butyl ether (MTBE) used in blending high octane number fuel shall conform to the requirements ofSpecification D5983.5.4.4 Methanol used in blending high octane number fuel shall conform to the requirements of Specification D1152.5.4.5 Ethyl tert-butyl ether (ETBE) used in blending hi
48、gh octane number fuel shall conform to the requirements of SpecificationD7618.5.5 Deposit control additives are added to spark-ignition engine fuel to help keep fuel injectors and intake valves clean.5.5.1 In the United States, deposit control additives used in gasoline are required to be certified
49、by the EPA.As this specificationis for a test fuel, requirements for deposit control additives have not been determined.6. Workmanship6.1 The test fuel shall be visually free of undissolved water, sediment, and suspended matter; it shall be clear and bright at thefuel temperature at the point of custody transfer or at a lower temperature agreed upon by the purchaser and seller.NOTE 2Test Method D4176 can be helpful for evaluating the product.6.1.1 Avoiding Water Haze and Phase SeparationThe test fuel should not contain a separate water or water-alcohol phas
