1、Designation:D348716Standard Specification forMineral Insulating Oil Used in Electrical Apparatus1This standard is issued under the fixed designation D3487;the number immediately following the designation indicates the year oforiginal adoption or,in the case of revision,the year of last revision.A nu
2、mber in parentheses indicates the year of last reapproval.Asuperscript epsilon()indicates an editorial change since the last revision or reapproval.This standard has been approved for use by agencies of the U.S.Department of Defense.1.Scope1.1 This specification covers unused mineral insulating oilo
3、f petroleum origin for use as an insulating and coolingmedium in new and existing power and distribution electricalapparatus,such as transformers,regulators,reactors,circuitbreakers,switchgear,and attendant equipment.1.2 This specification is intended to define a mineral insu-lating oil that is func
4、tionally interchangeable and miscible withexisting oils,is compatible with existing apparatus and withappropriate field maintenance,2and will satisfactorily maintainits functional characteristics in its application in electricalequipment.This specification applies only to new insulating oilas receiv
5、ed prior to any processing.1.3 The values stated in SI units are to be regarded asstandard.No other units of measurement are included in thisstandard.2.Referenced Documents2.1 ASTM Standards:3D92 Test Method for Flash and Fire Points by ClevelandOpen Cup TesterD97 Test Method for Pour Point of Petro
6、leum ProductsD117 Guide for Sampling,Test Methods,and Specificationsfor Electrical Insulating Oils of Petroleum OriginD445 Test Method for Kinematic Viscosity of Transparentand Opaque Liquids(and Calculation of Dynamic Viscos-ity)D611 Test Methods for Aniline Point and Mixed AnilinePoint of Petroleu
7、m Products and Hydrocarbon SolventsD923 Practices for Sampling Electrical Insulating LiquidsD924 Test Method for Dissipation Factor(or Power Factor)and Relative Permittivity(Dielectric Constant)of Electri-cal Insulating LiquidsD971 Test Method for Interfacial Tension of Oil AgainstWater by the Ring
8、MethodD974 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 Hydrometer MethodD1500 Test Method for
9、 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 Breakdown Voltage ofInsulating Liquids
10、 Using VDE ElectrodesD1903 Practice for Determining the Coefficient of ThermalExpansion of Electrical Insulating Liquids of PetroleumOrigin,and AskarelsD2112 Test Method for Oxidation Stability of InhibitedMineral Insulating Oil by Pressure VesselD2300 Test Method for Gassing of Electrical Insulatin
11、gLiquids Under Electrical Stress and Ionization(ModifiedPirelli Method)D2440 Test Method for Oxidation Stability of MineralInsulating OilD2668 Test Method for 2,6-di-tert-Butyl-p-Cresol and 2,6-di-tert-Butyl Phenol in Electrical Insulating Oil by Infra-red AbsorpD2717 Test Method for Thermal Conduct
12、ivity of LiquidsD2766 Test Method for Specific Heat of Liquids and SolidsD2864 Terminology Relating to Electrical Insulating Liq-uids and GasesD3300 Test Method for Dielectric Breakdown Voltage ofInsulating Oils of Petroleum Origin Under Impulse Con-ditionsD4052 Test Method for Density,Relative Dens
13、ity,and APIGravity of Liquids by Digital Density Meter1This specification is under the jurisdiction of ASTM Committee D27 onElectrical Insulating Liquids and Gasesand is the direct responsibility of Subcom-mittee D27.01 on Mineral.Current edition approved June 15,2016.Published July 2016.Originallya
14、pproved in 1976.Last previous edition approved in 2009 as D3487 09.DOI:10.1520/D3487-16.2Refer to the Institute of Electrical and Electronic Engineers,Inc.(IEEE)C 57.106,Guide for Acceptance and Maintenance of Insulating Oil in Equipment.Available from IEEE Operations Center,445 Hoes Lane,Piscataway
15、,NJ 08854-4141,USA.3For referenced ASTM standards,visit the ASTM website,www.astm.org,orcontact ASTM Customer Service at serviceastm.org.For Annual Book of ASTMStandards volume information,refer to the standards Document Summary page onthe ASTM website.Copyright ASTM International,100 Barr Harbor Dr
16、ive,PO Box C700,West Conshohocken,PA 19428-2959.United States1 D4059 Test Method for Analysis of Polychlorinated Biphe-nyls in Insulating Liquids by Gas ChromatographyD4768 Test Method for Analysis of 2,6-Ditertiary-ButylPara-Cresol and 2,6-Ditertiary-Butyl Phenol in InsulatingLiquids by Gas ChromatographyD5837 Test Method for Furanic Compounds in ElectricalInsulating Liquids by High-Performance Liquid Chroma-tography(HPLC)D5949 Test Method for Pour Point of Petroleum Products(Automatic Pressure
