Designation:D6871−03(Reapproved2008)StandardSpecificationforNatural(VegetableOil)EsterFluidsUsedinElectricalApparatus1ThisstandardisissuedunderthefixeddesignationD6871;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thisspecificationcoversahighfirepointnaturalveg-etableoilesterinsulatingfluidforuseasadielectricandcoolingmediuminnewandexistingpoweranddistributionelectricalapparatussuchastransformersandattendantequip-ment.1.2Naturalvegetableoilesterinsulatingfluiddiffersfromconventionalmineraloilandotherhighfirepoint(or“less-flammable”)fluidsinthatitisanagriculturalproductderivedfromvegetableoilsratherthanrefinedfrompetroleumbasestocksorsynthesizedfromorganicprecursors.1.3Thisspecificationisintendedtodefineanaturalveg-etableoilesterelectricalinsulatingfluidthatiscompatiblewithtypicalmaterialsofconstructionofexistingapparatusandwillsatisfactorilymaintainitsfunctionalcharacteristicinthisapplication.Thematerialdescribedinthisspecificationmaynotbemisciblewithsomesyntheticelectricalinsulatingliquids.Theusershouldcontactthemanufacturerofthenaturalesterinsulatingfluidforguidanceinthisrespect.1.4Thisspecificationappliesonlytonewinsulatingfluidasreceivedpriortoanyprocessing.Theusershouldcontactthemanufactureroftheequipmentorfluidifquestionsofrecom-mendedcharacteristicsormaintenanceproceduresarise.1.5Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatoryrequirementspriortouse.2.ReferencedDocuments2.1ASTMStandards:2D88TestMethodforSayboltViscosityD92TestMethodforFlashandFirePointsbyClevelandOpenCupTesterD97TestMethodforPourPointofPetroleumProductsD117GuideforSampling,TestMethods,andSpecificationsfo...
