1、Designation:D796021An American National StandardStandard Specification forUnleaded Aviation Gasoline Test Fuel Containing Non-hydrocarbon Components1This standard is issued under the fixed designation D7960;the number immediately following the designation indicates the year oforiginal adoption or,in
2、 the case of revision,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 formulating specifications forpurchases of a UL102 unleaded av
3、iation gasoline test fuelunder contract and is intended solely for use by purchasingagencies for testing purposes.1.2 This specification defines a specific type of aviationgasoline for use as an aviation spark-ignition engine test fuel.It does not include all gasolines satisfactory for reciprocating
4、aviation engines.Certain equipment or conditions of use maypermit a wider,or require a narrower,range of characteristicsthan is shown by this specification.1.3 The D7960 test fuel defined by this specification maynot exhibit identical performance to those leaded fuels withwhich the existing aircraft
5、 and ground-based fuel handlingequipment have been designed to operate.Therefore,thesuitability of this fuel for use on any specific aircraft,aircraftengine,or ground-based fuel handling equipment should beevaluated before use on that equipment.1.4 Issuance of this specification does not constitute
6、ap-proval to operate certificated aircraft with this fuel.Fuels usedin certified engines and aircraft are ultimately approved by thecertifying authority subsequent to formal submission of evi-dence to the authority as part of the certification program forthat aircraft and engine model.1.5 This speci
7、fication,unless otherwise provided,prescribesthe required properties of unleaded D7960 test fuel at the timeand place of delivery.1.6 The values stated in SI units are to be regarded asstandard.No other units of measurement are included in thisstandard.1.7 This standard does not purport to address a
8、ll of thesafety concerns,if any,associated with its use.It is theresponsibility of the user of this standard to establish appro-priate safety,health,and environmental practices and deter-mine the applicability of regulatory limitations prior to use.1.8 This international standard was developed in ac
9、cor-dance with internationally recognized principles on standard-ization established in the Decision on Principles for theDevelopment of International Standards,Guides and Recom-mendations issued by the World Trade Organization TechnicalBarriers to Trade(TBT)Committee.2.Referenced Documents2.1 ASTM
10、Standards:2D86 Test Method for Distillation of Petroleum Products andLiquid Fuels at Atmospheric PressureD93 Test Methods for Flash Point by Pensky-MartensClosed Cup TesterD130 Test Method for Corrosiveness to Copper from Petro-leum Products by Copper Strip TestD323 Test Method for Vapor Pressure of
11、 Petroleum Products(Reid Method)D357 Method of Test for Knock Characteristics of MotorFuels Below 100 Octane Number by the Motor Method;Replaced by D 2700(Withdrawn 1969)3D381 Test Method for Gum Content in Fuels by Jet Evapo-rationD614 Method of Test for Knock Characteristics of AviationFuels by th
12、e Aviation Method;Replaced by D 2700(Withdrawn 1970)3D873 Test Method for Oxidation Stability of Aviation Fuels(Potential Residue Method)D909 Test Method for Supercharge Rating of Spark-IgnitionAviation GasolineD910 Specification for Leaded Aviation GasolinesD1094 Test Method for Water Reaction of A
13、viation FuelsD1298 Test Method for Density,Relative Density,or APIGravity of Crude Petroleum and Liquid Petroleum Prod-ucts by Hydrometer Method1This specification is under the jurisdiction of ASTM Committee D02 onPetroleum Products,Liquid Fuels,and Lubricants and is the direct responsibility ofSubc
14、ommittee D02.J0.02 on Spark and Compression Ignition Aviation EngineFuels.Current edition approved May 1,2021.Published June 2021.Originallyapproved in 2014.Last previous edition approved in 2018 as D7960 18.DOI:10.1520/D7960-21.2For referenced ASTM standards,visit the ASTM website,www.astm.org,orco
15、ntact ASTM Customer Service at serviceastm.org.For Annual Book of ASTMStandards volume information,refer to the standards Document Summary page onthe ASTM website.3The last approved version of this historical standard is referenced onwww.astm.org.*A Summary of Changes section appears at the end of t
16、his standardCopyright ASTM International,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959.United StatesThis international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for theDevelopment of International Standards,Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade(TBT)Committee.1D1948 Method of Test for Knock Characteristics of MotorFuels Abov
