1、Designation:D687117Standard Specification forNatural(Vegetable Oil)Ester Fluids Used in ElectricalApparatus1This standard is issued under the fixed designation D6871;the number immediately following the designation indicates the year oforiginal adoption or,in the case of revision,the year of last re
2、vision.A number in parentheses indicates the year of last reapproval.Asuperscript epsilon()indicates an editorial change since the last revision or reapproval.1.Scope1.1 This specification covers a high fire point natural veg-etable oil ester insulating fluid for use as a dielectric andcooling mediu
3、m in new and existing power and distributionelectrical apparatus such as transformers and attendant equip-ment.1.2 Natural vegetable oil ester insulating fluid differs fromconventional mineral oil and other high fire point(or“less-flammable”)fluids in that it is an agricultural product derivedfrom v
4、egetable oils rather than refined from petroleum basestocks or synthesized from organic precursors.1.3 This specification is intended to define a natural veg-etable oil ester electrical insulating fluid that is compatible withtypical materials of construction of existing apparatus and willsatisfacto
5、rily maintain its functional characteristic in thisapplication.The material described in this specification maynot be miscible with some synthetic electrical insulatingliquids.The user should contact the manufacturer of the naturalester insulating fluid for guidance in this respect.1.4 This specific
6、ation applies only to new insulating fluid asreceived prior to any processing.The user should contact themanufacturer of the equipment or fluid if questions of recom-mended characteristics or maintenance procedures arise.1.5 This standard does not purport to address all of thesafety concerns,if any,
7、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.1.6 This international standard was developed in accor-dance with internationally r
8、ecognized 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 Standards:2D88 Test Method for S
9、aybolt ViscosityD92 Test Method for Flash and Fire Points by ClevelandOpen Cup TesterD97 Test Method for Pour Point of Petroleum ProductsD117 Guide for Sampling,Test Methods,and Specificationsfor Electrical Insulating Oils of Petroleum OriginD445 Test Method for Kinematic Viscosity of Transparentand
10、 Opaque Liquids(and Calculation of Dynamic Viscos-ity)D877 Test Method for Dielectric Breakdown Voltage ofInsulating Liquids Using Disk ElectrodesD923 Practices for Sampling Electrical Insulating LiquidsD924 Test Method for Dissipation Factor(or Power Factor)and Relative Permittivity(Dielectric Cons
11、tant)of Electri-cal Insulating LiquidsD974 Test Method for Acid and Base Number by Color-Indicator TitrationD1275 Test Method for Corrosive Sulfur in Electrical Insu-lating LiquidsD1298 Test Method for Density,Relative Density,or APIGravity of Crude Petroleum and Liquid Petroleum Prod-ucts by Hydrom
12、eter MethodD1500 Test Method for ASTM Color of Petroleum Products(ASTM Color Scale)D1524 Test Method for Visual Examination of Used Elec-trical Insulating Liquids in the FieldD1533 Test Method for Water in Insulating Liquids byCoulometric Karl Fischer TitrationD1816 Test Method for Dielectric Breakd
13、own Voltage ofInsulating Liquids Using VDE ElectrodesD1903 Practice for Determining the Coefficient of ThermalExpansion of Electrical Insulating Liquids of PetroleumOrigin,and AskarelsD2300 Test Method for Gassing of Electrical InsulatingLiquids Under Electrical Stress and Ionization(ModifiedPirelli
14、 Method)1This specification is under the jurisdiction of ASTM Committee D27 onElectrical Insulating Liquids and Gasesand is the direct responsibility of Subcom-mittee D27.02 on Gases and Non-Mineral Oil Liquids.Current edition approved Nov.1,2017.Published December 2017.Originallyapproved in 2003.La
15、st previous edition approved in 2008 as D6871 03(2008)which was withdrawn January 2017 and reinstated in November 2017.DOI:10.1520/D6871-17.2For referenced ASTM standards,visit the ASTM website,www.astm.org,orcontact ASTM Customer Service at serviceastm.org.For Annual Book of ASTMStandards volume in
16、formation,refer to the standards Document Summary page onthe ASTM website.Copyright 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.1 D2
